Read the following text(s) and write an essay to 1 )summariz

Read the following text(s) and write an essay to 1 )summarize the main points o

分类：水利水电工程  题型：单选题
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For what purpose does the pilot shut off all the engines?

For what purpose does the pilot shut off all the engines? A．To find out exactly

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What button do you press if you want to listen again what ha

What button do you press if you want to listen again what has been played? A．Pau

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玉屏风口服液的功能有

玉屏风口服液的功能有A．益气 B．养阴 C．固表 D．补血 E．止汗

分类：水利水电工程  题型：单选题
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