摘要: A. and B. but C. till D. or

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A mother planted many kinds of vegetables in her garden. One day, she said to her      , “Betty, come here. Look at all these little yellow marks(斑点)on the       of the cabbages ( a kind of vegetable ). They are eggs of a kind of insect. They are very beautiful but very bad for cabbages. This afternoon you must       all the eggs on the leaves and kill them. In this way, you will help us have      , greener and bigger cabbages.”
Betty didn’t think she could do it       and in the end she forgot all about it. The mother fell ill for a few days and       work in her garden. When she was well, she took Betty with her to the garden to see the cabbages. To       surprise, the insects have eaten every leaf. When Betty saw this, she began to      . Then her mother said to her, “We should never put off(推迟)what we have to do today till      . And you must learn to deal(处理) with the bad things       they are small, or it will turn into a big problem.”
小题1:
A.sonB.motherC.daughterD.sister
小题2:
A.treesB.leavesC.grassD.top
小题3:
A.seeB.look atC.findD.look for
小题4:
A.betterB.worseC.thinnerD.newer
小题5:
A.at mostB.at lastC.at the momentD.at once
小题6:
A.mustn’t B.couldn’tC.needn’t D.can’t
小题7:
A.myB.ourC.her D.their
小题8:
A.cryB.shoutC.runD.work
小题9:
A.yesterdayB.todayC.tomorrowD.later
小题10:
A.butB.while C.andD.before
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Air is a colorless, tasteless and invisible(看不见的)gas that is around us. An “empty” drinking glass and an “empty” room, in fact, are not really empty. Each is filled with air. When the glass is filled with water, the water pushes the air out of the glass.

Air, as a gas, has no definite shape, but because it is matter, it takes up space and it has weight. It is easy to prove that air is something that takes up space. Stuff a piece of dry cloth(布)into the bottom of a glass so that it will not fall out when the glass is turned upside down. Push the upside down glass, holding straight up and down, into a jar of water till the glass is completely covered. When the glass is taken out of the water, the cloth is still dry. The air inside the glass shows that it takes up space and keeps the water from coming in.

1.Since air is matter, it has ________.

A.room , and weight as well                 B.both room and shape

C.either room or weight                    D.neither shape nor weight

2.The word “Stuff” means ______ in Chinese.

A.撕               B.盖               C.取掉             D.塞

3.The writer tells that the experiment(实验)___________.

A.is carried out in the space                 B.must be done in the lab

C.is made in the room                     D.can only be done in the open air

 

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