问题 选择题

“泾渭分明”是我国的一句成语,用来形容事情的好坏,就像古时的泾水和渭水一样清浊分明。春秋以前泾河要比渭河清,但战国以后这两条河流就好像展开了竞赛,先是泾浊于渭,东汉以后,又渭浊于泾,两河越来越浊,至今都浊浪滚滚,泾渭不分了,其根本原因是(   )

A.河水全无

B.河水清澈

C.流域内植被覆盖好

D.流域内水土流失严重

答案

答案:D

题目分析:泾河与渭河都流经植被遭到破坏,水土流失严重的黄土高原,携带了大量的泥沙。

多选题
阅读理解

Do you ever feel a stomachache during a test? Are you ever so worried about something that you even have a headache or can’t sleep at night? If so, then you know what stress is. Stress is what you feel when you are worried about something. You may feel angry, sad, scared, or afraid —all this can give you a stomachache or a headache.

There are different kinds of stress. Some kinds of stress are good and others are bad. Good stress may happen when someone asks you to answer questions in class or when you have to give a report. This kind of stress can help you to finish things better.

However, bad stress can happen if the stress lasts too long. You may not feel well if a family member is sick, if you’re having problems at school, or if anything else makes you upset every day. That kind of stress isn’t going to help you.

The best way to keep stress away is to have a balanced life. If you get enough sleep and food, and if you exercise and leave time for fun, you’ll feel less stress.

小题1:What’s the main idea of the first paragraph?

A.How can you pass a test?

B.Why do you have a stomachache?

C.What is stress?

D.Why are you worrying?小题2:Good stress may happen when you’re doing the following things EXCEPT _______.

A.answering questions in class

B.having problems at school

C.helping other classmates

D.giving a report in front of school小题3:The underlined word “upset” means _______ in the passage.

A.boring

B.unhappy

C.inexpensive

D.successful小题4:Which of the following is RIGHT, according to the passage?

A.Having a balanced life is the best way to keep stress away.

B.Different kinds of stress will help you with the study a lot.

C.You may feel angry, sad, or afraid when you’re doing something.

D.You may not feel well if your parents are talking about things.小题5:What is the best title for this passage?

A.A Balanced Life

B.How to Do Better in a Test

C.Bad Stress and Good Stress

D.How to Face Your Stress