对新制的（）级角度块要求检定研合性，要求能够与（）级平晶研合性。

Bob Smith is a little boy. On the first day at school, his teacher, Ms. Green, teaches him three words—you, he and I. Then the teacher says, “I am your teacher. You are my student. He is your classmate.”

　　 When school is over, Bob goes home. His mother asks him,“What does your teacher teach you today?”Bob says with a smile,“Listen, Mom. I am your teacher, you are my student and he is your classmate.”His mother says,“No, dear. You are wrong.”Then she says, “I am your mother. You are my son. He is your father.”

　　The next morning at school, Bob’s teacher asks Bob to make sentences with the words “you, he and I”. Bob stands up and says, “I am your mother. You are my son. He is your father.”

小题1:Who teaches Bob three words?

A．Bob’s teacher

B．Bob’s father

C．Bob’s mother

D．Bob himself小题2:Bob answers his mother with a smile because ________.

A．Bob is a little boy　　

B．he goes to school on the first day

C．he thinks he can give a good answer

D．he is at home now小题3:________ is Bob’s mother.

A．Ms. Green

B．Mr. Smith

C．Mrs. Smith

D．Mrs. Green小题4: Which one is right?

A．Bo’s teacher is wrong.

B．Bob is wrong.

C．Bob’s mother is wrong.

D．Bob’s classmate is wrong.

我国计划生育政策由“夫妻一孩”、“双独两孩”调整为“单独两孩”，这说明 

①认识是主体在实践中对客体能动的反映   ②认识具有主体差异性 

③认识在实践基础上不断深化             ④认识推动实践向前发展

A．①②③

B．①③④

C．①③

D．②③

脓性指头炎切开引流最佳切口是（）。

A.侧面横切口

B.侧面纵切口

C.掌面横切口

D.掌面纵切口

E.鱼口形切口

若某油轮发生泄油事故，在泄油区鱼类迅速死亡，其死亡原因有以下说法，其中正确的是(    )

①油膜覆盖海面，水中异常黑暗，鱼类缺少必要的光照 

②油膜覆盖水面，海水中缺氧，鱼类窒息 

③海水严重污染，鱼类中毒 

④石油比较黏稠，鱼类难以游动

A．①②

B．②③

C．①④

D．①②③④