题目内容

引水渠道可以集中水头

A. 对
B. 错

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开关站是电能的输送主要设施之一

A. 对
B. 错

引水隧洞的功能仅仅是输水

A. 对
B. 错

2. What is Churchill’s speech when he was invited to address the patriotic young boys at his old school, Harrow?

A. Never give up
B. We shall never surrender

3. What is the topic sentence of Para 3?

A. The first sentence
B. The last sentence