缺血性ST-T改变呈一过性、可逆性。()
参考答案:对
--- I’m thinking of the test tomorrow. I’m afraid I can’t pass this time.
--- _______ ! I’m sure you’ll make it.
A.Go on
B.Good luck
C.No problem
D.Cheer up
回填灌浆的目的是加固围岩,提高围岩的整体性,减小围岩压力,保证岩石的弹性抗力。()