《中华人民共和国海洋环境保护法》规定，凡具有（）条件之一的，应当建立海洋自然保护区。

Hi! I’m Pleasant Sheep(喜羊羊). I’m         boy.I’m seven      old. I have a _     mouth, and my _____are big.My nose is small.

I have four good______. We are movie stars(电影明星). We are____ the same class. They are nice to me. Pretty Sheep(美羊羊) is my____ friend. She is a nice girl.Does she have big eyes? Yes, she____ big eyes,too.

Our(我们的) monitor(班长) is a girl. She is eight years old. She has abig head,_____ her eyes are small.__ ___,who is she?

小题1:A. a                 B. an                C. the

小题2:A.year               B.years             C.a year

小题3:A.small              B. big                C. Wide

小题4:A. nose             B. eyes              C. leg

小题5:A.students          B. teacher            C. friends

小题6:A.in                B. on                C. to

小题7:A. big              B. good               C. nice

小题8:A.have             B. has               C. is

小题9:A. too              B. in                 C. but

小题10:A. Guess          B. Thank             C. Know

动物可分为植食动物、肉食动物、杂食动物三大类。 [ ]

多项式2ab-5a³b²+3ab³-7的最高次项是（    ）。

网络图的持续时间即为工期。（）

诃子的净制方法为（）

A.去核

B.去心

C.去皮壳

D.去毛

E.去根