用着色法检查压缩机曲轴上下轴瓦瓦背与轴瓦孔的接触情况，其接触面积应大于（），接触点分布均匀。
A、90%
B、85%
C、80%
D、75%
参考答案：B
We shouldn’t watch ______TV because it is bad for our eyes.[ ]
A. too much
B. too many
C. much too
D. many too
