汽车在行驶中后桥出现连续的“嗷嗷”声响，车速加快声响也加大，_爱下问搜题

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问题单项选择题

汽车在行驶中后桥出现连续的“嗷嗷”声响，车速加快声响也加大，滑行时稍有减弱，说明（）。

A、锥主从动齿啮合间隙过大

B、锥主从动齿啮合间隙过小

C、锥主从动齿啮合轮齿折断

D、半轴花键损坏

答案

参考答案：B

选择题

—Mary isn't your cousin,_ ?

—Yes , _ . [ ]

A. is she; she is

B. isn't she; she is

C. is she;she isn't

D. isn't she; she isn't

判断题

木版水印画为我国独有的绘画与木刻、印刷技艺相结合的工艺美术品。( )