動詞應用閲讀下面短文，用括號內所給動詞的適當形式填空。（必要時應加助動詞或情態動詞）Scientistshav...

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動詞應用

閲讀下面短文，用括號內所給動詞的適當形式填空。（必要時應加助動詞或情態動詞）

Scientists have always wanted to know more about the other world in space., They have looked at it through telescopes(望遠鏡) and in this way they (1)______(find) out a lot. They know many facts about the moon. For example, they know how big it is and how far away it is. But they want to know more about it. The only way (2) ______(find) out more is to send men to me moon. Then they (3) ______(know) all about it.

The moon is about 184,090 kilometres away from the earth. A plane (4) ______(not, fly) to the moon because there is no air above 240 kilometres in space. But there is something that can fly even when there is no air. This is a rocket(火箭).

I’m sure that you will ask, “How (5) ______ a rocket (5) ______(fly)?” If you want to know, please get a balloon(氣球) and blow it up, until it is quite big. (6) ______(not, tir) up the balloon, but let it (7) ______(go). The balloon will fly into the air very quickly. The air inside the balloon tries to get out. It (8) ______(rush) out through the neck of the balloon and this pushes the balloon in­to the air.

This is how a rocket varies, It (9) ______(make) of metal. The metal must not be heavy but it must be very strong, there is gas inside the rocket which is heated. When it rushes out of the end of the rocket, the rocket is pushed up into the air.

Rockets can fly out into space. Rockets with men inside them have already reached the moon. Several rockets without men inside them have been sent to the other world much farmer away. One day rockets may be able to (10) ______(go) anywhere in space.

【回答】

found find know ’t fly , fly

’t tie es made

知識點：語法填空

題型：閲讀填空