试题与答案

构成关系模型中的一组相互联系的“关系”一般是指( )。A.0 8 B.50

题型:单项选择题

题目:

构成关系模型中的一组相互联系的“关系”一般是指( )。

A.0 8

B.50 78

C.4 50

D.78 50

答案:

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下面是错误答案,用来干扰机器的。

AD由富勒烯的分子式计算其摩尔质量,可以判断A的判断是正确的。富勒烯是一个大分子,所以从晶体类型上来看,它应该属于分子晶体;富勒烯中,除了连有氯原子的碳原子(10个)都是形成单键,其余的每个碳原子形成一...

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题型:阅读理解

I’m fat. I’m too skinny. I’d be happy if I were taller, shorter, had curly hair, straight hair, a smaller nose, bigger muscles, longer legs. Do any of these statements sound familiar? Do you often put yourself down? If so, you’re not alone. As a teen, you’re going through a ton of changes in your body. And as your body changes, so does your image (形象) of yourself. Lots of people have trouble getting used to it and this can affect their confidence.

Some people think they need to change how they look or act to feel good about themselves. But actually all you need to do is change the way you see your body and how you think about yourself.

The first thing to do is recognize that your body is your own, no matter what shape, size, or color it comes in. If you’re very worried about your weight or size, go to your doctor to check that things are OK. But it’s no one’s business but your own what your body is like—finally, you have to be happy with yourself.

Next, find which aspects (方面) of your appearance you can change and which you can’t change and need to accept—like their height, for example, or their shoe size.

If there are things about yourself that you want to change and can do this by making goals for yourself. For example, if you want to get fit, make a pan to exercise every day and eat nutritious foods.

When you hear negative comments coming from within yourself, tell yourself to stop. Try building your confidence by listing three things in your day that really gave you pleasure. It can be anything like the way the sun felt on your face, the sound of your favorite band, or the way someone laughed at your jokes.

小题1:From the first paragraph, we can infer that           .

A.many teens can’t accept their body change easily

B.most teens like to have a special body image

C.teens prefer to change their body image quickly

D.teens usually change their opinions on their body image小题2:Which of the following does the author probably agree with?

A.Change the way other people look at you.

B.Go to your doctor for advice on how to change your body.

C.Realize you can’t change everything about yourself.

D.源Learn from some celebrities on how to change your body.小题3:The underlined phrase “put yourself down” in the first paragraph probably means          .

A.make yourself fall down

B.say negative things about yourself

C.force yourself to do something

D.write down your name somewhere小题4:The passage is mainly about           .

A.how to adjust to the changes of your body

B.how to build confidence by changing your body

C.how to keep an attractive body image

D.how to find pleasure in your day

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