问题 单项选择题

细胞所需要的物质水和无机盐等可以进入,但不需要的物质却不能进入,这主要是哪种结构起作用()

A.细胞壁

B.细胞膜

C.细胞核

D.液泡

答案

参考答案:B

阅读理解

I’m Paul. I’m thirteen. My parents, my brother and I are in Beijing now. My brother and I are in Beijing No.1 Middle School. I like soccer very much. I am on the school soccer team (队). My brother David is fifteen. He likes basketball a lot. After school, he often plays it with his friends.

I’m Linda. I’m twelve. I am a student of Beijing No.5 Middle School. My mother is an English teacher. She works in Beijing No.1 Middle School. I like soccer, but I can’t play it well. I think soccer is difficult. After school, I often play volleyball with my classmates. I want to join (加入) the school volleyball team next term.

My name is Jim. I’m a 13-year-old boy. I look strong. I like ping-pong. When I’m free, I often play ping-pong with my friends. I like tennis, too. But I don’t do well in it. My father is a math teacher in a primary school(小学). He can play tennis very well.

小题1: David often plays _____ after school.

A. basketball    B. soccer    C. volleyball

小题2:Who is in Beijing No.1 Middle School?

A. Paul, David and Linda

B. Linda’s mother and Jim’s father

C. Paul, David and Linda’s mother

小题3: What does Linda want to do next term?

A.  She wants to play tennis well.

B.  She wants to play basketball well.

C.  She wants to join the school volleyball team.

小题4: ______ is a teacher in a middle school.

A. Paul’s mother       B. Linda’s mother     C. David’s father

小题5: 下列的陈述哪一项是正确的?

A. Jim thinks soccer is difficult.

B. David and Paul are brothers.

C. Paul, David, Linda and Jim are all 13 years old.

判断题