题目内容

霍尔式点火信号发生器是根据的原理制成的。

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是指火花塞电极跳火开始时到活塞上行至上止点时曲轴转过的角度。

1This house is ( ) that one.

A. big
B. bigger than

2His hair is () than hers.

A. long
B. longer

3Shanghai is one of () cities in the world.

A. most expensive
B. the mostexpensive

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