通风机有哪些基本参数？

阅读理解。

     Alice is a 14-year -old girl. There are three people in her family: her father, her mother and she. They are

in Shanghai. Alice likes the colour of red. Look, her jacket and bag are red. She is in Class 4. There are 22

boys and 18 girls in her class. Her good friends Liu Mei and Li Hong are in Class 4, too. Miss Wang is their

maths teacher. She is a good teacher. Her classes are interesting. Maths is not difficult for them!

     Alice likes playing computer games, but she doesn't play them every day. She plays sports every day. It

is good for her health.

1. _____ people are in Alice's family. [ ]

A. Six

B. Five

C. Four

D. Three

2. Alice's ______ and _____ are red. [ ]

A. bag; erase

B. bag; notebook

C. jacket; bag

D. jacket; hat

3. _____ students are in Alice's class. [ ]

A. 40

B. 28

C. 22

D.18

4. Miss Wang's classes are _____.[ ]

A. well

B. interesting

C. boring

D. difficult

5. Alice _____ every day. [ ]

A. eat apples

B. watches TV

C. plays computer games

D. plays sports

停车场上有摩托车和小轿车共15辆，总共46个轮子．摩托车和小轿车各有多少辆？

液化石油气气瓶上应当设计装配防止（）。

宽大也不是宽大无边，而是按《刑法》规定，对那些社会危害不大，能够认罪悔改的犯罪分子，实行宽大处理。 ( )

程序执行到LP2后，BX和DX分别为( )。 XOR DX，DX MOV BX，2 MOV CX，3 LP1：ADD DX，BX INC BX INC BX LOOP LP1 LP2： ．．．

A．8，12

B．10，12

C．10，14

D．8，14