阴疮又称（）
A.阴蚀
B.阴蠡
C.阴蚀疮
D.阴茧
E.阴肿
参考答案：A, C
What is your opinion on Miss Liu’s request that we______spend half an hour reading English aloud every morning?
A．must
B．should
C．would
D．shall
在比例极限内线杆件应变与正应力（）。
A.为零
B.不变
C.成反比
D.成正比
