真菌形态最多的部分是()
A.分生孢子
B.分生孢子梗
C.分生孢子梗茎
D.顶囊
E.菌丝
参考答案:D
—Mr. Smith, why are you always asking me to do the difficult work?
—Because you _______ do such a thing and nobody else is fit for it.
A.would
B.should
C.can
D.may
根据《巴黎公约》,对于发明专利的优先权期限为()。
A.1个月
B.3个月
C.6个月
D.12个月