问题 选择题

下列化学实验的基本操作中,不正确的是[ ]

A.用量筒量取液体时,视线与液体凹液面最低处保持水平

B.滴加液体时,滴管应悬空在容器口的上方

C.测某溶液的pH时,先用水湿润pH试纸,再将被测溶液滴到pH试纸上

D.倾倒液体药品时,试剂瓶上的标签向着手心

答案

答案:C

阅读理解

阅读理解。

Dear Mike,

     Thanks for your family photo. This is a photo of my family. I have a happy family. There are five people

in my family. They are my grandmother, my parents, my sister and I. The old woman is my grandmother.

The man is my father. His name is David. He is a teacher. And what about the woman? She is my mother. Her

name is Linda. She is very nice. Look at the girl. That's my sister. She is in a middle school (中学). Her name

is Lucy. Do you know (知道) the boy? It's me.

                                                                                                                                                Yours,

                                                                                                                                                Tony

1. There are ______ people in this family.

A. four

B. five

C. six

D. seven

2. Who is Linda?

A. She is the boy's aunt.

B. She is the boy's sister.

C. She is the boy's mother.

D. She is the boy's cousin

3. Is David the old woman's son?

A. Yes, he is.

B. No, he isn't.

C. No, he is.

D. No, it is.

4. What's the name of the boy?

A. Tony.

B. Mike.

C. David.

D. Linda.

5. Which is true (正确的) according to (根据) the letter?

A. The parents have two sons.

B. Lucy is a student.

C. Lucy's mother is a teacher.

D. David has no grandmother.

填空题