Unit 5 Into the unknown

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Section Ⅰ Starting out & Understanding ideas

單詞拼寫 根據(jù)首字母或漢語(yǔ)提示，用本部分所學(xué)單詞的正確形式填空。

1.Landing on Mars may inspire more people to learn about science and a .

2.My brother b himself in his studies when in high school and as a result he entered his ideal university.

3.A c is a human society with its own social organisation and culture.

4.Those suggestions shouldn’t be d without thinking about them.

5.The two （運(yùn)河） have proved useful to the county in many ways.

6.One dead man was found in the （廢墟） almost two hours after the explosion.

7. （離棄） a child under two years old is a crime.

8.The remarkable （擴(kuò)大） of public high schools from 1900 to 1920 was very important.

選擇填空 用方框中所給短語(yǔ)的適當(dāng)形式填空。（剩余26350字）