我国煤矿工人尘肺中多数为
A．煤肺B．矽肺C．煤矽肺D．碳黑尘肺E．碳素尘肺
参考答案：C
解析：我国煤矿工人尘肺中多数为煤矽肺。
Kate was not sure_______.
A．that she would play the lead role
B．if she will win an Oscar
C．which gate to go
D．which gate she should go through
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