将机件向基本的投影面投射所得的视图称为()。
参考答案:基本视图
As far as I see, is no possibility he will win the tennis match this time.
A.it ; that
B.there; that
C.it ; whether
D.there; whether
下列描述的微生物特征中,不是所有微生物共同特征的一项是
A.个体微小B.分布广泛C.种类繁多D.可无致病性E.只能在活细胞内生长繁殖