Computers are usually used to s e-mails or search for information. 题目和参考答案——青夏教育精英家教网—

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3. Computers are usually used to s e-mails or search for information.

3. send

题目来源：仁爱英语同步练习簿九年级上下册 > Topic 1 When was it invented？

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Daily life in space is so different from that on earth. For example, a "day in a space station is not like a "day" on earth. Astronauts may see 15 sunrises and sunsets in 24 hours. Astronauts also have to recycle almost everything such as air and water. Easy and simple things on earth become a problem in space. For example，at night，astronauts must attach (把.. 固定)their sleeping bags to the wall, or they will float(漂浮)around.

Astronauts work hard all day，but at the end of the day they get free time. During the free time，they often write e-mails to their families and friends on earth or watch DVDs. Some astronauts just watch the earth. They say it is the most fun thing of all.

阅读短文，完成下面句子,每空一词。

1. Astronauts may see sunrises and sunsets in a day.

2. Astronauts have to attach their sleeping bags to the wall，or they will

3. Astronauts work hard all day except

4. Astronauts often write to their families and friends on earth or

5. Some astronauts think____________ is the most fun thing to do during their free time.

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科目：初中英语 来源： 题型：

( ) 2.―What is this piece of paper made ____ ？

—Wood.

A. from B. of C.in D. by

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