课后练习：
1 Have you ever how your life would change if the worldoil?
A stopped thinking, ran out of
B stopped to think, run out of
C stopped to think, ran out of
D stopped thinking, run out of
2 Alltheir origin to the oil known as petroleum,deep in the earth.
A own, founded B owe, find C owing, fund D owe, found
3 As youyour bus, train or car,use petroleum products in the form of fuel to move them in the working order.
A head to, all of which B heading for, all of what
C heading in, all of them D head for, all of which
4 What are youtoday?
A dressing B weary C wearing D worn
5 Scientists predict that the world’s known oil will early in the next century.
A come out B go out C run out of D run out
6 When youa need you will discover some way of fulfilling it.
A faced to B are faced C are facing with D are faced with
7 In such circumstances, the tropical parts of the world would have a in the race to find new energy sources.
A first star B head-start C stare D upstart
8 If you are comfortably cool in a tropical,your air conditioning unit may also depend on oil-fed generators.
A atmosphere B climate C weather D whether
9 Fertilizers and insecticides made A of B by C from D for
10 Can weto use so much of our limited petroleum supplies for private motoring?
A effort B afterward C afford D affect
11 There is one suggestion that the wheeled traffic and the footsteps of crowds A walk B walks C walked D walking
12 one company has presented an ideametal stripsin pavements and roads operate fly wheelsmeans of a piston action using hydraulic fluid.
A in which, inserting, by
C of what, inserted, in
B in which, inserted, by D that, inserted, of
课后练习：
1 Have you ever how your life would change if the worldoil?
A stopped thinking, ran out of
B stopped to think, run out of
C stopped to think, ran out of
D stopped thinking, run out of
2 Alltheir origin to the oil known as petroleum,deep in the earth.
A own, founded B owe, find C owing, fund D owe, found
3 As youyour bus, train or car,use petroleum products in the form of fuel to move them in the working order.
A head to, all of which B heading for, all of what
C heading in, all of them D head for, all of which
4 What are youtoday?
A dressing B weary C wearing D worn
5 Scientists predict that the world’s known oil will early in the next century.
A come out B go out C run out of D run out
6 When youa need you will discover some way of fulfilling it.
A faced to B are faced C are facing with D are faced with
7 In such circumstances, the tropical parts of the world would have a in the race to find new energy sources.
A first star B head-start C stare D upstart
8 If you are comfortably cool in a tropical,your air conditioning unit may also depend on oil-fed generators.
A atmosphere B climate C weather D whether
9 Fertilizers and insecticides made A of B by C from D for
10 Can weto use so much of our limited petroleum supplies for private motoring?
A effort B afterward C afford D affect
11 There is one suggestion that the wheeled traffic and the footsteps of crowds A walk B walks C walked D walking
12 one company has presented an ideametal stripsin pavements and roads operate fly wheelsmeans of a piston action using hydraulic fluid.
A in which, inserting, by
C of what, inserted, in
B in which, inserted, by D that, inserted, of