以NA代表阿伏加德罗常数，则关于热化学方程式 C2H2（g）+ 2．5O2（g）

School BBS （校园论坛）
Topics（话题）: Ask for help

Lily	I’m shy. I want to talk to my classmates, but I am afraid they will laugh at me. What should I do?
Simon	There are so many net bars(网吧) around us. I spend too much time and money in playing computer games. I can’t pass the exams. My parents are angry with me. What should I do?
Tom	Father’s Day is coming. My father is good at playing basketball. He also likes to watch films. What present should I give to my father?
Jim	I like Chinese. I am good at Chinese. I often win the writing competition(竞赛). But my English is not good. I can’t speak English well. What should I do to learn English well?

小题1:The topic of the BBS is             .

A．how to learn English

B．to ask for help

C．how to make friends

D．Don’t play computer games.

小题2:If you want to help Simon, what should he do ?

A．Don’t play computer games any more, and spend more time on lessons.

B．Go on playing computer games.

C．Don’t play computer games in the net bars, just play games at home.

D．Pay no attention to (不在意) parents and teachers.

小题3:Which is the best present for Tom’s father?

A．A coat.	B．A pair of sports shoes.
C．Some flowers.	D．Some story books.

小题4:Which is Jim’s favourite subject?

A．English

B．Chinese

C．Maths

D．PE

小题5:If you have problems, what will you do?

A．Don’t tell anyone about your problems.

B．Have a talk to your classmates and ask them to help you.

C．Pay no attention to (不在意) them.

D．B and C