《煤矿安全质量标准化标准》规定（）支护器材都要有基础台帐。
A.所有
B.部分
C.重要
参考答案：A
If Newton lived today, he would be surprised by what in science and technology. [ ]
A. had discovered
B. had been discovered
C. has discovered
D. has been discovered
成语“风吹草动”中的施力物体是_____，受力物体是_____，该力的作用效果是使草___
