横向裂缝是最危险的裂缝。
参考答案:对
As the final exam is coming, my pressure ________, and I'm afraid it will ________ my failure.[ ]
A.builds up; lead to
B.comes up; cause to
C.turns up; bring about
D.makes up; stick to
在高炉冶炼中,对矿石品位的要求不高。()