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1 

Scientists think that there has been life on Earth for   1  (百萬) of years. However, we haven’t found life on other   2   (行星) yet. The earth, the moon, and the sun are a small part of our galaxy. Scientists have   3   ( 發(fā)現) many other galaxies in the universe. And there are many books about the universe. I’ve just finished   4  (看) a great book at school. It is a book about the solar system. It is so good that I’ve  5    (已經) asked the library to keep the next book for  6  (我). In the book, it says that astronauts have    7   (去) to Mars and even to Jupiter. I’ve never read that before. I’ve  8  (寫信) to NASA to ask them for   9  （更多）information about astronauts and space. I hope they will write    10   (回) soon.

 

【答案】

 

 . millions

 .planets

 discovered/found

 .reading

 .already

 .me

 .been

 written

 .more

 .back

【解析】

試題分析：

 此題考查不確切數量的表達方式，在hundred，million等詞的復數后面加“s”表示不確切數量，故選millions.

 此題考查名詞的復數形式，planet是可數名詞，其他的行星就用other planets.

 此題考查動詞的過去分詞，因發(fā)現在英文中用兩個單詞來表示，find和discover，它們的過去分詞形式是found和discovered。

 此題考查固定短語finish doing sth表示做完某事，故選reading。

 此題考查副詞，在肯定句中，表示已經的副詞用already。

 此題考查人稱代詞，因前面有介詞for，故用賓格me。

 此題考查固定短語have been to 表示曾經去過某地，故用been。

 此題考查固定結構write to sb表示給某人寫信，因用完成時，故用written。

 此題考查形容詞的比較級more。表示更多的。

 此題考查固定結構write back表示回信的意思。

考點：單詞的拼寫和單詞的適當形式填空。

點評：此文重點介紹了一些天文知識。注意要把握好上下文的內容的內在聯系，根據漢語的提示的內容，使文章內容意思連貫一致。一定要把握好單詞的正確形式。

 

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