井下采掘作业,当接近与地表水相通的地质破碎带或者接近通过承压含水层的未封钻孔时,应该()。
A.照常前进
B.换个方向前进
C.探水前进
参考答案:C
--What are you doing?
--I am ________ my wallet. But I can’t _______ it.
A.looking for, finding
B.finding, look for
C.looking for, find
D.finding, looking for
淀粉的糊化