Lesson 33　Life on Wheels课后练习
Ⅰ.用括号内所给单词的适当形式填空
1.The bird’s two     (wing) were both hurt. 
2.Lisa can’t imagine     (walk) all the way to the North Pole. 
3.The two men     (appear) at the door suddenly just now. 
4.Last Saturday the doctor     (pull) the wrong tooth. He felt very sorry. 
5.The workers need some new     (machine) to help them finish the hard work. 
Ⅱ.用方框中所给单词的适当形式填空
space, environment, cart, skateboard, power
6.Everyone knows the saying, “Knowledge is     .” 
7.It is good for the     to drive less. 
8.Tom and his mother are shopping with a     in the supermarket. 
9.Now people can go into     by spaceship. 
10.Bob’s father gave him a     as a gift. 
Ⅲ.根据汉语意思完成句子,每空一词
11.所有的那些小汽车使美国成了车轮上的国家。
All of those cars     the U.S. a nation         . 
12.骑自行车旅行是有趣的。
        to travel by bike. 
13.那个箱子太重了,它里面装满了书。
The box is too heavy. It             books. 
14.汤姆好像知道了一切。
Tom         know everything. 
15.明年你就能理解这本英文小说了。
You’ll             understand this English novel next year. 
Ⅳ.单项填空
(  )16.     the beginning of July, we will have an exam. 
A.On            B.At                C.For            D.With
(  )17.You can see     flowers in this big garden. 
A.thousand                        B.thousands
C.thousand of                        D.thousands of
(  )18.The Great Wall is a wonder(奇迹) all over the world. We can’t     how ancient people built it without today’s machines. 
A.appear                            B.imagine
C.invent                            D.seem
(  )19.Simon     swim when he was five years old. 
A.can                            B.was able to
C.did able to                        D.is able to
(  )20.The girl is always     books in the library on weekdays. 
A.read                            B.reads
C.reading                            D.to read
Ⅴ.完形填空
There are all kinds of 　21　 in the world. Trains can carry people, animals or things. Some trains are 　22　, and others are slow. They can get to most of the cities and towns. Some trains can go through the hills. 
In big cities, the streets are usually 　23　 and some cars and buses often have to wait. So you can find trains under the 　24　 and trains on a rail above the streets. They can bring people in or take them out 　25　. 
Can a train run over 　26　? Yes, it can. There are many bridges over the river. But 　27　 is not easy to build the bridges. Today’s trains have dining cars for people. You may 　28　 something in them on the way if you are hungry. Trains are useful to men, women and children. Many 　29　 like to play with model trains. With the model trains, they can build their own rails and 　30　 the wonderful world of trains. 
(  )21.A.cars        B.buses            C.trains            D.bikes
(  )22.A.cheap        B.expensive        C.fast            D.empty
(  )23.A.full        B.dirty            C.free            D.busy
(  )24.A.sea        B.park            C.ground            D.river
(  )25.A.friendly    B.quickly            C.happily            D.slowly
(  )26.A.water        B.air                C.sky            D.mountains
(  )27.A.they        B.it                C.we            D.he
(  )28.A.jump        B.drink            C.learn            D.eat
(  )29.A.women        B.fathers            C.children        D.drivers
(  )30.A.hate        B.enjoy            C.watch            D.ride

参考答案
Ⅰ.1.wings　2.walking　3.appeared
4.pulled　5.machines
Ⅱ.6.power　7.environment　8.cart
9.space　10.skateboard
Ⅲ.11.make; on wheels
12.It’s interesting/fun
13.is filled with/is full of　14.seems to
15.be able to
Ⅳ.16.B　17.D　18.B　19.B　20.C　
Ⅴ.21.C　22.C　23.D　24.C　25.B
26.A
27.B　句意:但是建造桥是不容易的。it在句中作形式主语,代替后面真正的主语“to build the bridges”。
28.D　29.C　30.B
Lesson 34　Flying Donuts课后练习
Ⅰ.用括号内所给单词的适当形式填空
1.Jim is     (probable) on the way home now. 
2. Do you think Danny’s     (invent) is useful? 
3.People began to make     (fly) machines over 100 years ago. 
4.My father’s car doesn’t move. It needs some     (oil). 
5.The girl is getting ready for her     (present) on transportation. 
Ⅱ.用方框中所给单词的适当形式填空
backpack, cardboard, imagine, fuel, work
6.Lucy’s invention doesn’t     at all. But she has tried her best. 
7.David put on his     and went to school. 
8.The young man made a model plane with     . 
9.To finish the painting, the boy used his     well. 
10.In the future my uncle will invent a new kind of     to protect the environment. 
  Ⅲ.单项填空
(  )11.—What should I do, doctor?
—    healthy, you should take more exercise. 
A.Keep                            B.Keeping
C.To keep                        D.Keeps
(  )12.Mr. Wang made a(n)     about how to use the new machine at the meeting. 
A.presentation                        B.action
C.play                            D.choice
(  )13.—What’s up, Lisa?
—I have to hand in(上交) the report tomorrow, but I can’t     someday是什么意思anything to write. 
A.talk of                            B.think of
C.speak of                        D.hear of
(  )14.—I’d like to buy a new oven.
—The ones over there sell well. You can     one by one to have a try. 

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