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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.
【多选题】传动轴的功用是（）
A.
用来连接变速器（或分动器）和驱动桥
B.
在转向驱动桥和断开式驱动桥中，则用来连接差速器和驱动轮
C.
用来连接万向节
D.
用来消除万向节产生的不等速现象