1 .
A.He wants to buy the new car | B.He thinks his signature is necessary |
C.He has already signed a contract | D.He doesn’t always say what he means. |
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2 . 听下面一段独白,回答以下小题。
1. What does ASO-S mainly do?
2. How long will ASO-S stay in orbit at least?
3. Why is ASO-S so meaningful?
1. What does ASO-S mainly do?
A.Do solar observation. |
B.Study Earth's atmosphere. |
C.Make weather forecasting. |
A.Four years. | B.Forty hours. | C.Seventy years. |
A.It can block the sun's radiation. |
B.It may fill China's gap in the field. |
C.It is the first solar satellite globally. |
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