1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Unit 1
11. hardly ever几乎不，难得
12. go to the movies 去看电影
13. look after = take care of 照顾
14. surf the internet 上网
15. a healthy lifestyle 健康的生活方式
16. healthy food 健康食品
17. go skateboarding 去划板
be healthy = be in good health 健康 18.
drink lots of hot water 多喝热水
drink hot tea with honey 喝加蜂蜜的热茶 see a dentist 看牙医 take some medicine 吃药
shouldn’t eat anything 不该吃任何东西 lie down and (have a ) rest 躺下休息 go to bed early 早点睡觉 listen to music 听音乐 feel better 感觉好点 get tired / angry / stressed out 词汇整理
9. keep ( = stay, be ) healthy
= keep ( = stay, be )in good health 保持健康
10. exercise=take ( do ) exercise=do sports锻炼
11. do morning ( eye ) exercises 做早（眼保健）操
12. eating habits 饮食习惯
13. take more exercise 做更多的运动
14. be the same as 与……相同
15. be different from 与……不同
16. be not the same as = be different from
17. differences between …and … …和…的区别
18. on weekends 在周末
19. last weekend 上周末
20. once a month一月一次
21. twice a week一周两次
22. make a difference to 对……有影响
23. how often 多久一次
24. although = though虽然
25. most of the students = most students
26. shop=go shopping=do some shopping 购物
27. as for ( doing ) 至于, 就……而言 28. activity survey活动调查
29. do homework做家庭作业
30. do housework做家务事
31. eat less（more ）meat 吃更少（更多）的肉 32. junk food垃圾食物
33. be good for ( health ) 对……有益 34. be bad for ( health ) 对……有害
35. be good at ( doing ) 擅长于（做）……
36. want ( would like ) to do sth 想做某事 37. want sb to do sth想某人做某事
38. try to do sth 尽量做某事
39. help sb ( to ) do sth. 帮助某人做
40. come home from school放学回家
41. of course = certainly = sure当然
42. get good grades取得好成绩
43. some advice 一些建议
44. kind of = a little = a little bit + adj. 有点
45. a kind of + n. 一种 Unit 2
1. have a cold 患感冒
2. have a fever 发烧
3. have a headache 头痛
4. have a stomachache 胃痛
5. have a toothache 牙痛
6. have a sore throat 喉咙痛
7. have a sore back ( neck ) 背（颈）痛
8.
see a doctor 看医生
变得疲惫/生气/紧张, 有压力 19. traditional Chinese doctors 传统中医 20. a balance of… ……的平衡 21. a balance of yin and yang阴阳调和 22. eat a balanced diet饮食平衡 23. for example 例如 24. too much + un. 太多 25. much too + 形容词 太…… 26. Chinese medicine 中药 27. western countries 西方国家 28. need to do sth. 需要做某事 29. host family 寄宿家庭 30. get some rest 多休息 31. at the moment = now 此刻 32. host family 东道家庭 33. conversation practice 会话练习 34. enjoy doing sth. =like dong sth 喜欢做某事 35. practice doing sth. 练习做某事 36. mind doing sth. 介意做某事 37. 38. be busy doing sth. spend....(in) doing sth.
忙着做某事 花（时间）做某事 39. have a good time ( doing ) = have fun ( doing ) 做……快乐 1. go camping
Unit 3 去野营 2. 3. go shopping 去购物 go skateboarding 去滑滑板 4. go swimming 去游泳 5. 6. 去划船 go boating go skating
去滑冰 7. go hiking (in the mountains) 去山上徒步旅行/远足 8. go climbing 去登山 9. go fishing 去钓鱼 10. go bike riding / cycling 骑自行车旅行 11. go sightseeing 去观光 12. visit my grandma / cousins / my friends in Hong Kong 拜访我的祖母/堂兄弟/香港的朋友
13. spend time with friends 和朋友度过 14. babysit her sister 照顾她的妹妹 15. relax at home 在家休息 16. go to sports camp 去运动野营 17. go to the beach 去沙滩 18. for vacation 度假 19. go to Tibet for a week 去西藏一个星期 20. go away 离开 21. (for) too long = for a long time 太久
22. ask sb. about sth. 问某人有关某事
23. take sth with sb. 带某物在身上/ 随身带某物 24. how long 多长（时间） 25. get back ( come back ) to school / home 回学校/ 回家
26. stay for three weeks 呆三个星期 27. take walks / take a walk 散步 28. rent videos ( a video ) 租录像带
29. a famous French singer 一个著名的法籍 30. take a ( long ) vacation 度（长）假 31. vacation plans度假计划 32. this summer 今年夏天
33. take vacations in Europe 在欧洲度假 34. an exciting vacation激动人心的假期 35. be famous for 因为…而著名
36. something different / interesting / important 一
些不同的/ 有趣的/ 重要的东西
37. spend time in the beautiful countryside 在美丽的乡村度过
38. forget all the problems 忘记所有的问题 39. sleep a lot 多睡觉 40. a good place to go sightseeing 一个观光的好地方
41. leave for Italy / Greece / Spain / Europe
离开/出发去意大利/希腊/西班牙/欧洲 42. places to visit in China 在中国参观的地方 43. plan my vacation to Italy 计划去意大利度假 44. the first week in June 六月的第一周 45. leave for …= go to… 离开/出发去… 46. show sb. sth. = show sth. to sb. 把某物给某人看
47. send sb. sth. = send sth. to sb. 寄给某人某物 48. give sb. sth. = give sth. to sb. 给某人某物 49. pass sb. sth. = pass sth. to sb. 传给某人某物 50. make sb. sth. = make sth. for sb. 给某人做 51. but sb. sth. = buy sth. for sb. 给某人买 52. decide on sth. 决定某事 53. decide to do sth. = decide on doing 决定做某事
54. plan to do sth. 计划做某事 55. forget to do sth. 忘记要做某事 56. forget doing sth. 忘记已做过某事 57. remember to do sth. 记得去做某事 58. remember doing sth. 记得做过某事 59. finish doing sth. 完成某事
60. can’t wait to do sth. 迫不及待做 61. think about / of doing 考虑 /认为
62. how about ( doing ) =what about …….怎么样？
unit 4
1. take a ( the ) subway to…
= go to … by subway 搭地铁去……
2. take a ( the ) train to……= go to … by train 坐火
车去……
3. take a car to … = go to … by car ( in a car )
坐汽车去……
4. take a ( the ) bus to…
= go to …by bus ( on a bus ) 乘坐公共汽车去……
5. take a ( the ) taxi to…
= go to … by taxi ( in a taxi ) 坐的士去…… 6. take a plane to … = fly to …
= go to …by plane ( in a plane ) 乘飞机去…… 7. go to school by boat
= take a boat to school 坐船去上学 8. ride a bike / bicycle to… = ride to …
= go to … by bike / bicycle骑自行车去…… 9. drive a car to …= drive to …
= go to … by car ( in a car ) 开车去…… 10. walk to… = go to … on foot 步行去…… 11. go in a parents’ car坐父母的车
12. get to school = arrive at school 到达学校 13. get to = arrive in ( at ) = reach到达 14. get ( arrive, reach ) home ( here, there )
到家（这儿，那儿） 15. 10 kilometers from school
离学校10公里（远）
16. from his home to school 从他家到学校 17. how far （用于提问距离） 多远 18. have a quick breakfast 快速地吃早餐 19. leave for school 出发去学校 20. the early ( late ) bus 早( 晚 ) 班车 21. take sb. to school 带某人去学校 22. take sb. / sth. home / there
带……回家/ 到那儿 23. bus ride 搭公车的路程 24. bus stop 公车亭 25. bus station 公车站
26. rain ( subway ) station 火车( 地铁 ) 站 27. think of 认为
28. not all students不是所有的学生
29. around the world=all over the world
遍及全世界
30. in North America 在北美洲 31. on the school bus 乘/坐校车 32. in other parts of the world
在世界上的其他地方
33. one … the other 一个…… 另一个 34. others = other (students) 其他的（学生） 35. things are different 情况不同 36. make a difference to 对……产生影响 37. depend on 取决于/依赖/依靠 38. must be 肯定/一定是
39. the most popular ways ( of doing sth.) （做……）最流行的方式
40. means of transportation 交通方式 41. a small number of + pl. 小部分的 42. a large / great number of + pl. 大多数的
43. the number of + pl. ……的数量(谓语是单数) 44. on the weekend = on weekends 在周末 45. be ill in ( the ) hospital 生病住院 46. worry about sb. /sth. 担心某人/某事 47. be worried about sb. / sth. 担心某人/某事
unit 5
1. come to the party 来（参加）聚会 2. go to the party 去参加聚会
3. have a party 举行聚会
4. on Saturday afternoon 在星期六下午 5. study for the ( chemistry ) test
为 ( 化学 ) 考试而学习
6. have a (piano) lesson 上钢琴课 7. visit/see sb. 拜访某人 8. go to the doctor 去看医生 9. have to do sth. 不得不做某事 10. help my mom ( do ) with housework
帮妈妈做家务
11. go to the movies 去看电影 12. go to the concert 去听音乐会
13. go to the baseball match/game 去参加棒球赛 14. go to the mall 去商业街 15. too much homework 太多作业 16. another time = next time 下次
17. another three people = three more people 再加三个人
18. 更多一些
19. have fun / have a good time 玩得开心点 20. 为谁
21. 和谁在一起 22. join sb.加入某人一起 23. the day after tomorrow 后天 24. the day before yesterday 前天 25. have tennis training 进行网球训练 26. play tennis with me 和我一起打网球 27. my cousin’s birthday party 我表弟的生日聚会 28. write soon 尽快回信 29. call/telephone sb. 打电话给某人 30. keep ( be ) quiet 保持安静 31. finish the geography project 完成地理课题/作业
32. watch the football math 观看足球赛 33. go to the culture club 去文化俱乐部 34. 一个美国朋友 35. on weekdays 在平时， 在工作日 36. the whole day/all day 一整天 37. the whole week / year 一整周/年 38. 顺道来我家 39. discuss the science report 谈论科学报告 40. be busy doing sth. = be busy with sth. 忙于做某事
41. be free = have time 空闲的 42. be on vacation 在度假 43. 拒绝邀请
44. 收到 去……的邀请 45. invite sb. to + 名词 邀请某人去某处 46. invite me to his birthday party
邀请我去他的生日聚会 47. invite sb. to do sth.
邀请某人做
Unit 6
1. twin sister 双胞胎姐妹
2. as you can see 正如你所看到的 3. what they said 他们所说的
4. what I do ( did ) 我所做（过）的
5. in some ways 在某些方面 6. look like 看起来像….一样， 7. look the same 看起来一样 8. look different 看起来不同
9.
be different from = be not the same as 与…不同
10. more than = over 超出 11. more than one 不只一个 12. as…as…与… 一样
13. not as…as… 不如…
14. have some things in common 有些共同点 15. my elder brother ( sister ) 我的哥哥（姐姐） 16. my eldest brother ( sister ) 我的大哥（姐） 17. be the same age as = as old as 与…一样大 18. be the same height as = as tall as 与…一样高 19. like to do the same things as me
喜欢跟我做同样的事 20. a little taller 高一点
21. more tired ( crowded ) 更疲倦（拥挤） 22. talk more ( less ) 说得更多（少） 23. for me 对于我来说
24. have cool clothes 有漂亮的衣服 25. be popular in school 在学校受欢迎 26. be good with children 善于与孩子相处 27. be good at sports ( schoolwork ) 擅长体育 28. be good at…= do well in….= 动词+well
在……方面擅长
29. make me laugh 使我发笑 ( make sb do ) 30. make her sick 使她恶心
31. have ( =make ) friends with sb.与某人交朋友 32. have opposite views and interests 有相反的观点和兴趣
33. most of the kids = most kids 小孩中的大多数 34. It’s not necessary to + do … “某事没有必要” 35. beat sb in sth 在某方面打败某人 36. a teacher wanted 招聘老师
37. a weekend teacher 周末教师 38. a primary school student 小学生 39. have good grades 成绩出色 40. get the job 得到工作 41. in one’s view (opinion) 在某人看来 42. in one’s free time在业余时间
43. enjoy telling jokes 喜欢讲笑话(enjoy doing) 44. can’t stop talking 不能停止讲话(stop doing) 45. call sb. at + 号码 以…号码打电话给某人 46. a photo of me 一张有我的照片
47. begin ( end ) with 以……开始 （结束） 48. in an ( one ) hour 在一小时内
49. a two – week school trip 一次两周的郊游 50. around China 全中国
51. in the swimming pool 在游泳池里 52. among the students 在学生中
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Unit 1
11. hardly ever几乎不，难得
12. go to the movies 去看电影
13. look after = take care of 照顾
14. surf the internet 上网
15. a healthy lifestyle 健康的生活方式
16. healthy food 健康食品
17. go skateboarding 去划板
be healthy = be in good health 健康 18.
drink lots of hot water 多喝热水
drink hot tea with honey 喝加蜂蜜的热茶 see a dentist 看牙医 take some medicine 吃药
shouldn’t eat anything 不该吃任何东西 lie down and (have a ) rest 躺下休息 go to bed early 早点睡觉 listen to music 听音乐 feel better 感觉好点 get tired / angry / stressed out 词汇整理
9. keep ( = stay, be ) healthy
= keep ( = stay, be )in good health 保持健康
10. exercise=take ( do ) exercise=do sports锻炼
11. do morning ( eye ) exercises 做早（眼保健）操
12. eating habits 饮食习惯
13. take more exercise 做更多的运动
14. be the same as 与……相同
15. be different from 与……不同
16. be not the same as = be different from
17. differences between …and … …和…的区别
18. on weekends 在周末
19. last weekend 上周末
20. once a month一月一次
21. twice a week一周两次
22. make a difference to 对……有影响
23. how often 多久一次
24. although = though虽然
25. most of the students = most students
26. shop=go shopping=do some shopping 购物
27. as for ( doing ) 至于, 就……而言 28. activity survey活动调查
29. do homework做家庭作业
30. do housework做家务事
31. eat less（more ）meat 吃更少（更多）的肉 32. junk food垃圾食物
33. be good for ( health ) 对……有益 34. be bad for ( health ) 对……有害
35. be good at ( doing ) 擅长于（做）……
36. want ( would like ) to do sth 想做某事 37. want sb to do sth想某人做某事
38. try to do sth 尽量做某事
39. help sb ( to ) do sth. 帮助某人做
40. come home from school放学回家
41. of course = certainly = sure当然
42. get good grades取得好成绩
43. some advice 一些建议
44. kind of = a little = a little bit + adj. 有点
45. a kind of + n. 一种 Unit 2
1. have a cold 患感冒
2. have a fever 发烧
3. have a headache 头痛
4. have a stomachache 胃痛
5. have a toothache 牙痛
6. have a sore throat 喉咙痛
7. have a sore back ( neck ) 背（颈）痛
8.
see a doctor 看医生
变得疲惫/生气/紧张, 有压力 19. traditional Chinese doctors 传统中医 20. a balance of… ……的平衡 21. a balance of yin and yang阴阳调和 22. eat a balanced diet饮食平衡 23. for example 例如 24. too much + un. 太多 25. much too + 形容词 太…… 26. Chinese medicine 中药 27. western countries 西方国家 28. need to do sth. 需要做某事 29. host family 寄宿家庭 30. get some rest 多休息 31. at the moment = now 此刻 32. host family 东道家庭 33. conversation practice 会话练习 34. enjoy doing sth. =like dong sth 喜欢做某事 35. practice doing sth. 练习做某事 36. mind doing sth. 介意做某事 37. 38. be busy doing sth. spend....(in) doing sth.
忙着做某事 花（时间）做某事 39. have a good time ( doing ) = have fun ( doing ) 做……快乐 1. go camping
Unit 3 去野营 2. 3. go shopping 去购物 go skateboarding 去滑滑板 4. go swimming 去游泳 5. 6. 去划船 go boating go skating
去滑冰 7. go hiking (in the mountains) 去山上徒步旅行/远足 8. go climbing 去登山 9. go fishing 去钓鱼 10. go bike riding / cycling 骑自行车旅行 11. go sightseeing 去观光 12. visit my grandma / cousins / my friends in Hong Kong 拜访我的祖母/堂兄弟/香港的朋友
13. spend time with friends 和朋友度过 14. babysit her sister 照顾她的妹妹 15. relax at home 在家休息 16. go to sports camp 去运动野营 17. go to the beach 去沙滩 18. for vacation 度假 19. go to Tibet for a week 去西藏一个星期 20. go away 离开 21. (for) too long = for a long time 太久
22. ask sb. about sth. 问某人有关某事
23. take sth with sb. 带某物在身上/ 随身带某物 24. how long 多长（时间） 25. get back ( come back ) to school / home 回学校/ 回家
26. stay for three weeks 呆三个星期 27. take walks / take a walk 散步 28. rent videos ( a video ) 租录像带
29. a famous French singer 一个著名的法籍 30. take a ( long ) vacation 度（长）假 31. vacation plans度假计划 32. this summer 今年夏天
33. take vacations in Europe 在欧洲度假 34. an exciting vacation激动人心的假期 35. be famous for 因为…而著名
36. something different / interesting / important 一
些不同的/ 有趣的/ 重要的东西
37. spend time in the beautiful countryside 在美丽的乡村度过
38. forget all the problems 忘记所有的问题 39. sleep a lot 多睡觉 40. a good place to go sightseeing 一个观光的好地方
41. leave for Italy / Greece / Spain / Europe
离开/出发去意大利/希腊/西班牙/欧洲 42. places to visit in China 在中国参观的地方 43. plan my vacation to Italy 计划去意大利度假 44. the first week in June 六月的第一周 45. leave for …= go to… 离开/出发去… 46. show sb. sth. = show sth. to sb. 把某物给某人看
47. send sb. sth. = send sth. to sb. 寄给某人某物 48. give sb. sth. = give sth. to sb. 给某人某物 49. pass sb. sth. = pass sth. to sb. 传给某人某物 50. make sb. sth. = make sth. for sb. 给某人做 51. but sb. sth. = buy sth. for sb. 给某人买 52. decide on sth. 决定某事 53. decide to do sth. = decide on doing 决定做某事
54. plan to do sth. 计划做某事 55. forget to do sth. 忘记要做某事 56. forget doing sth. 忘记已做过某事 57. remember to do sth. 记得去做某事 58. remember doing sth. 记得做过某事 59. finish doing sth. 完成某事
60. can’t wait to do sth. 迫不及待做 61. think about / of doing 考虑 /认为
62. how about ( doing ) =what about …….怎么样？
unit 4
1. take a ( the ) subway to…
= go to … by subway 搭地铁去……
2. take a ( the ) train to……= go to … by train 坐火
车去……
3. take a car to … = go to … by car ( in a car )
坐汽车去……
4. take a ( the ) bus to…
= go to …by bus ( on a bus ) 乘坐公共汽车去……
5. take a ( the ) taxi to…
= go to … by taxi ( in a taxi ) 坐的士去…… 6. take a plane to … = fly to …
= go to …by plane ( in a plane ) 乘飞机去…… 7. go to school by boat
= take a boat to school 坐船去上学 8. ride a bike / bicycle to… = ride to …
= go to … by bike / bicycle骑自行车去…… 9. drive a car to …= drive to …
= go to … by car ( in a car ) 开车去…… 10. walk to… = go to … on foot 步行去…… 11. go in a parents’ car坐父母的车
12. get to school = arrive at school 到达学校 13. get to = arrive in ( at ) = reach到达 14. get ( arrive, reach ) home ( here, there )
到家（这儿，那儿） 15. 10 kilometers from school
离学校10公里（远）
16. from his home to school 从他家到学校 17. how far （用于提问距离） 多远 18. have a quick breakfast 快速地吃早餐 19. leave for school 出发去学校 20. the early ( late ) bus 早( 晚 ) 班车 21. take sb. to school 带某人去学校 22. take sb. / sth. home / there
带……回家/ 到那儿 23. bus ride 搭公车的路程 24. bus stop 公车亭 25. bus station 公车站
26. rain ( subway ) station 火车( 地铁 ) 站 27. think of 认为
28. not all students不是所有的学生
29. around the world=all over the world
遍及全世界
30. in North America 在北美洲 31. on the school bus 乘/坐校车 32. in other parts of the world
在世界上的其他地方
33. one … the other 一个…… 另一个 34. others = other (students) 其他的（学生） 35. things are different 情况不同 36. make a difference to 对……产生影响 37. depend on 取决于/依赖/依靠 38. must be 肯定/一定是
39. the most popular ways ( of doing sth.) （做……）最流行的方式
40. means of transportation 交通方式 41. a small number of + pl. 小部分的 42. a large / great number of + pl. 大多数的
43. the number of + pl. ……的数量(谓语是单数) 44. on the weekend = on weekends 在周末 45. be ill in ( the ) hospital 生病住院 46. worry about sb. /sth. 担心某人/某事 47. be worried about sb. / sth. 担心某人/某事
unit 5
1. come to the party 来（参加）聚会 2. go to the party 去参加聚会
3. have a party 举行聚会
4. on Saturday afternoon 在星期六下午 5. study for the ( chemistry ) test
为 ( 化学 ) 考试而学习
6. have a (piano) lesson 上钢琴课 7. visit/see sb. 拜访某人 8. go to the doctor 去看医生 9. have to do sth. 不得不做某事 10. help my mom ( do ) with housework
帮妈妈做家务
11. go to the movies 去看电影 12. go to the concert 去听音乐会
13. go to the baseball match/game 去参加棒球赛 14. go to the mall 去商业街 15. too much homework 太多作业 16. another time = next time 下次
17. another three people = three more people 再加三个人
18. 更多一些
19. have fun / have a good time 玩得开心点 20. 为谁
21. 和谁在一起 22. join sb.加入某人一起 23. the day after tomorrow 后天 24. the day before yesterday 前天 25. have tennis training 进行网球训练 26. play tennis with me 和我一起打网球 27. my cousin’s birthday party 我表弟的生日聚会 28. write soon 尽快回信 29. call/telephone sb. 打电话给某人 30. keep ( be ) quiet 保持安静 31. finish the geography project 完成地理课题/作业
32. watch the football math 观看足球赛 33. go to the culture club 去文化俱乐部 34. 一个美国朋友 35. on weekdays 在平时， 在工作日 36. the whole day/all day 一整天 37. the whole week / year 一整周/年 38. 顺道来我家 39. discuss the science report 谈论科学报告 40. be busy doing sth. = be busy with sth. 忙于做某事
41. be free = have time 空闲的 42. be on vacation 在度假 43. 拒绝邀请
44. 收到 去……的邀请 45. invite sb. to + 名词 邀请某人去某处 46. invite me to his birthday party
邀请我去他的生日聚会 47. invite sb. to do sth.
邀请某人做
Unit 6
1. twin sister 双胞胎姐妹
2. as you can see 正如你所看到的 3. what they said 他们所说的
4. what I do ( did ) 我所做（过）的
5. in some ways 在某些方面 6. look like 看起来像….一样， 7. look the same 看起来一样 8. look different 看起来不同
9.
be different from = be not the same as 与…不同
10. more than = over 超出 11. more than one 不只一个 12. as…as…与… 一样
13. not as…as… 不如…
14. have some things in common 有些共同点 15. my elder brother ( sister ) 我的哥哥（姐姐） 16. my eldest brother ( sister ) 我的大哥（姐） 17. be the same age as = as old as 与…一样大 18. be the same height as = as tall as 与…一样高 19. like to do the same things as me
喜欢跟我做同样的事 20. a little taller 高一点
21. more tired ( crowded ) 更疲倦（拥挤） 22. talk more ( less ) 说得更多（少） 23. for me 对于我来说
24. have cool clothes 有漂亮的衣服 25. be popular in school 在学校受欢迎 26. be good with children 善于与孩子相处 27. be good at sports ( schoolwork ) 擅长体育 28. be good at…= do well in….= 动词+well
在……方面擅长
29. make me laugh 使我发笑 ( make sb do ) 30. make her sick 使她恶心
31. have ( =make ) friends with sb.与某人交朋友 32. have opposite views and interests 有相反的观点和兴趣
33. most of the kids = most kids 小孩中的大多数 34. It’s not necessary to + do … “某事没有必要” 35. beat sb in sth 在某方面打败某人 36. a teacher wanted 招聘老师
37. a weekend teacher 周末教师 38. a primary school student 小学生 39. have good grades 成绩出色 40. get the job 得到工作 41. in one’s view (opinion) 在某人看来 42. in one’s free time在业余时间
43. enjoy telling jokes 喜欢讲笑话(enjoy doing) 44. can’t stop talking 不能停止讲话(stop doing) 45. call sb. at + 号码 以…号码打电话给某人 46. a photo of me 一张有我的照片
47. begin ( end ) with 以……开始 （结束） 48. in an ( one ) hour 在一小时内
49. a two – week school trip 一次两周的郊游 50. around China 全中国
51. in the swimming pool 在游泳池里 52. among the students 在学生中