单项选择题

凸轮轴，分电器轴与曲轴间的传动比是__. A.
1:2:2 B.
1:1:2 C.
1:2:1 D.
2:1:1

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单项选择题

1. In a trilogy---________---he analyzed the character of World War II, in particular its relationship with the eternal struggle between good and evil and the temporal struggle between civilization and barbarism.
A、Men at Arms, Officers and Gentlemen, and Unconditional Surrender
B、Men at Arms, Officers and Gentlemen, and the Ordeal of Gilbert Pinfold
C、Men at Arms, Unconditional Surrender, and Vile Bodies
D、Vile Bodies, Decline and Fall, and Unconditional Surrender