测量病毒大小的常用单位是()。
A.厘米(cm)
B.毫米(mm)
C.微米(μm)
D.纳米(nm)
E.匹米(pm)
参考答案:D
I wonder what will my daughter if she failed most people have succeeded.
A.turn to ; in which
B.become of ; where
C.turn out ; that
D.become in ; when
职业活动中的道德与()有许多共同的特征。
A、规范
B、规章
C、法律
D、政策