【題目】讀黃河水系圖，回答后面的問題。
（1）黃河發(fā)源于 山脈，注入 海。
（2）序號②是 平原，河段④由于泥沙淤積，河床抬高，很容易形成“ ”。
（3）治理甲區(qū)域生態(tài)環(huán)境問題的根本措施是 ，山脈乙的走向是 。
（4）列舉黃河上游的主要問題： 。
【答案】（1）巴顏喀拉 渤
（2）河套 地上河
（3）在中游黃土高原地區(qū)開展水土保持綜合治理（言之有理即可） 東北至西南
（4）氣候干旱，草場退化，荒漠化嚴重，凌汛。
【解析】（1）黃河發(fā)源于青藏高原的巴顏喀拉山，注入渤海。
（2）序號②是河套平原，黃河下游流經(jīng)的地形區(qū)是華北平原，成為舉世矚目“地上河”，原因是黃河從中游黃土高原帶來大量的泥沙進入下游，下游流速減慢，地勢低平，泥沙堆積，河床抬高，成為舉世矚目的地上河。
（3）黃土高原地區(qū)最突出的生態(tài)問題就是水土流失，治理方法主要是植樹種草，大力加強植被保護，保持水土。
（4）黃河上游,土地荒漠化嚴重,農(nóng)業(yè)用水過多;中游水土流失嚴重;下游出現(xiàn)地上河,水旱災(zāi)害頻發(fā)。
中考解讀考點精練系列答案科目：初中地理 來源： 題型：
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B. 我國耕地主要分布在東部季風(fēng)區(qū)的平原和盆地
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【題目】A
Do you remember your dreams? Do people have the same dreams? Why do I dream?
There are many questions about dreams. We dream during the REM(快速眼動) stage of sleep. We have about five periods of REM sleep during the night. The first REM cycle(周期) lasts about 10 minutes. As the night goes on, the REM cycle gets longer. By early morning, the REM cycle can last up to 90 minutes. Usually, it is in this last REM cycle that we remember our dreams.
Dreams change as people age. People may have several dreams each night. Some are like films and usually in color. They come to us over and over again. That may be because the dreamer is worrying about something and trying to find the answer. Sometimes we wake up with a good feeling from a dream. But often we can’t remember the dreams clearly.
It is reported that too much dreaming is bad for our health. The more we sleep, the longer we dream. The mind is hard at work. That is why we may have a long sleep and still feel tired when we wake up.
Do you feel a little sleepy after lunch? Well, that’s normal. Your body naturally slows down then. What should you do about it? Don’t drink coffee, take a nap, instead. There are many advantages of a daily nap. First of all, you can remember things better and make fewer mistakes. Also, you can learn things more easily after taking a nap. A 20-minute nap can reduce your pressure. Finally, a nap can make you cheerful.
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A. People always ask questions in their dreams.
B. People never dream in their last REM cycle.
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D. It’s impossible for people to remember their dreams.
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B. Because they often watch interesting color films.
C. Because they want to remember the dream clearly.
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B. The longer we dream, the better we sleep.
C. We should fall into a deep sleep after lunch.
D. We’ll feel better after a 20-minute nap at noon.
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