下列物质中含有氧分子的是 [ ] A.液态空气 B.过氧化氢 C.二氧化碳 D.

题型:选择题

问题:

下列物质中含有氧分子的是 [ ]

A.液态空气

B.过氧化氢

C.二氧化碳

D.氯酸钾

考点:分子的定义
题型:选择题

阅读理解。

       James is a good student and he has lots of friends, but he also has a problem. Some older boys are bullying

(欺负) him at school. James is very unhappy and he doesn't know what to do about it. Here are some

suggestions to him and other teenagers in this situation. 

       Don't feel worried. It's not your fault (过错)! Being bullied can make you feel very lonely and angry, but

you are not alone. Don't feel that you have to hide the problem. You should find a person you can trust, and tell

them. It might be your teacher, your parents, or even your friend's parents. After you tell someone, you will get

some support and feel some relief (解脱). 

       Speaking to an adult might make you nervous, but here are other things you can do. Some people express

their feelings more easily on paper. Write a letter to someone or keep a diary. Include all the details (细节) about

what the bullies do, as well as when and where the bullying happens. You can use it as proof to show what is

going on. And it is a wonderful idea to show your letter or diary to a teacher or another responsible adult. Then

the bullies will feel very afraid if their names appear in a letter! 

       Also, don't show you are sad and don't try and fight with the bullies. You could get in trouble yourself.

Ignore them and just walk away. The bullies will soon stop.

1. What do you think the text is trying to tell us? [ ]

A. What to do about being bullied.

B. How to be a good student at school.

C. What to write well in a diary.

D. How to give suggestions to teenagers.

2. Why does the text advise you not to feel worried if bullied? [ ]

A. Because you are not alone.

B. Because it is not your fault.

C. Because someone has known about it.

D. Because you' re doing something wrong.

3. You'd better go and find a person you can trust and              . [ ]

A. know what happens

B. learn from them

C. ask for help

D. make them lonely

4. If you remember and follow the suggestions above,              . [ ]

A. nobody will speak to the bullies

B. everybody will feel some relief

C. someone will express their feelings

D. the bullies will soon stop

5. What does the underlined word "ignore" mean in the text? [ ]

A. take no notice of

B. take care of

C. make full use of

D. get more help from

题型:选择题

如果下列地图图幅相同,那么比例尺最小的是

A、世界地图

B、中国地图

C、河南省地图

D、鹤壁市地图

题型:选择题

投保人故意隐瞒事实,保险人在合同成立后两年起不再享有解除权。( )

题型:选择题

1936年12月12日凌晨,东北军张 * * 和西北军杨虎城发动了(),逼蒋抗日,我党促成事变和平解决。

A.西安事变

B.晋西事变

C.华北事变

D.豫西事变

题型:选择题

试对三种多址技术应用进行比较.

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