题目内容

常用的生物防治方法有()、()、()和()等。

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杀菌剂的杀菌原理主要有()、()、()和()等。

Are you a student?_____.

A.Yes, you are
B.Yes, I am
C.Yes, we are

Does Lily study English every day?_____ .

A.Yes, she do
B.Yes, she does
C.No, she don’t

3. Is this your book?____.

A.No, it doesn’t
B.Yes, it does
C.Yes, it is