子宫肌瘤常见的变性是()
A.囊性变
B.玻璃样变
C.红色变性
D.肉瘤变
参考答案:A, B, C, D
安培定则:用__________手握螺线管,让四指指向螺线管中电流的方向,则大拇指所指的那端就是螺线管的__________极。
______ he works hard, I don’t mind when he finishes the experiment.
A.As long as
B.As well as
C.So far as
D.As soon as