创业实训“模拟公司”采取学员(),上班和上网三结合的实岗实训方式。
A.培训
B.考试
C.实操
D.上课
参考答案:D
There is no doubt _______ my friend is not satisfied with what they have done.
A.that
B.whether
C.if
D.why
散光表的使用,3点钟辐射线即反映()方向。
A.30°
B.60°
C.90°
D.180°