6. If you want to take the job, you must first get s___________ from your family.

5．S__________ energy is a king of clean energy from the sun.

4. Our town is having such a ____________(繁荣) that it is likely to double its size in two years.

3.Then jet engine was a major _____________(突破) in the air transport.

2.I’m glad to have this ___________(机会) of speaking to you alone.

1. _____________ (失败) is the mother of success.

4. 这些苹果散发出来的味道很甜。

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5　　　　 河口还通过旅游业和渔业对经济作出贡献。

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Unit 13 The water planet 单元检测

3. 当我进来时，他正全神贯注地在看小说。

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2. 我希望这座图书馆能被充分利用。

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viTranslation

1. 你的建议使我受益匪浅。

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