《高等学校消防安全管理规定》是由国家哪个部门签署的（）A、公安部B、卫生部C、教育部

阅读理解。

　　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, Mum. 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."

1. _____ teaches Bob three words.

A. Bob's teacher              

B. Bob's father  

C. Bob's mother              

D. Bob's grandfather

2. Bob answers his mother with a smile because _____.

A. he thinks he can give a good answer

B. he goes to school on the first day

C. he is at home now 

D. he is happy today

3. Bob's mother is _____.

A. happy    

B. right         

C. well        

D. wrong

4. _____ is Bob's mother.

A. Ms. Green  

B. Mr. Smith    

C. Mrs. Smith    

D. Mrs. Green

5, one is right?

A. Bob's teacher is wrong. 

B. Bob's mother is wrong. 

C. Bob is wrong. 

D. Bob knows how to use "you, he and I".

　　初中毕业晚会上，语文老师为同学们写了一句赠言。请你仿照它的特点，以物理老师的身份仿写一句赠言。

示例：语文老师：人生只有逗号，破折号，省略号，没有句号。

仿写：物理老师：______________________________________

请选出下列句子中加粗词语运用有误的一句[ ]

A．游戏是儿童最正当的行为，玩具是儿童的天使。

B．在人类进化过程中，劳动是一个必须的过程。

C．聪明的资质、内在的干劲和敬业的态度，都是科学研究的必备条件。

D．追求梦想，与其下一百次决心，不如付诸一次行动。

区分下列各组物质，所用的两种方法不完全正确的一组是（）

主轴（）间隙过小，使摩擦力增加，摩擦热过多，造成主轴温度过高。

A.轴承

B.齿轮

C.回转

D.轴向