棉花的叶属完全叶。
参考答案:对
根据句意及首字母提示补全单词。
1. It is a good place to live in. It's q______.
2. Uncle Tom is an I______ man.
3. It's twelve o'clock, I'm h______, let's have lunch.
4. There's no bus, but you can take a t______ .
5. I h______ my father buys a new bike for me.
A.无菌
B.灭菌
C.消毒
D.防腐
E.除菌
已没有任何活菌存在()
A.A
B.B
C.C
D.D
E.E