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【单选题】

汽车变速箱齿轮是?

A.
动力装置
B.
传动装置
C.
执行装置
D.
控制装置
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题目标签:变速箱汽车齿轮
参考答案:
参考解析:
.
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举一反三

【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...

A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.