下列除草剂中属于灭生性除草剂的是草甘膦、()。
参考答案:百草枯
- What do you think of this film?
- Great! I_______ such a wonderful film before.
A.don't see
B.won't see
C.have never seen
D.have already seen
最早提出“存储程序”概念的是( )。
A.Babbage
B.Neu。mam
C.Pascal
D.Bell