If you are writing or studying, it makes much difference where the light comes f
题型:不详难度:来源:
If you are writing or studying, it makes much difference where the light comes from. People use 36 and pens every day. They have to be very careful about the 37 of the light because the light shines on their work. Every 38 gets its light either from daylight 39 the window or from the lamps, 40 no matter what kind of light it is, the way it shines is very important to the eyes. Take a book and sit with your 41 towards the window, and try to read. Your shadow(影子) falls all over the page and makes it 42 for your eyes as if you were in a 43 room. Now turn around and face the window. The page is in shadow again, 44 the bright light is in your eyes.Try sitting with your 45 side towards the window. This is very good for reading, but if you were writing, the shadow 46 fall across the page and trouble you 47 .There is another way – sit 48 your left side to the window. Now everything is perfect for 49 as well. Whatever kind of light is in the room, the rule about the right way to sit is 50 the same. So you see different ways to sit make much difference in writing or studying.
小题1: | A.eyes | B.heads | C.books | D.hands |
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小题3: | A.house | B.woman | C.man | D.animal |
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小题4: | A.from | B.through | C.into | D.inside |
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小题6: | A.side | B.back | C.body | D.front |
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小题7: | A.good | B.bad | C.useful | D.clear |
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小题8: | A.bright | B.clean | C.dirty | D.dark |
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小题10: | A.front | B.back | C.left | D.right |
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小题11: | A.can | B.may | C.has to | D.ought to |
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小题12: | A.few | B.a few | C.little | D.a little |
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小题13: | A.by | B.with | C.against | D.near |
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小题14: | A.speaking | B.reading | C.writing | D.playing |
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小题15: | A.only | B.never | C.hardly | D.always |
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答案
小题1:C 小题1:C 小题1:A 小题1:B 小题1:A 小题1:B 小题1:B 小题1:D 小题1:A 小题1:D 小题1:B 小题1:D 小题1:B 小题1:C 小题1:D |
解析
小题1:C。人们每天使用书本(books)和笔。 小题1:C。他们不得不非常注意他们工作时光线的照射方式(way)。 小题1:A。房屋(house)内的光线,要么来自(through)窗外的自然光,要么是灯或电力。 小题1:B。through通过。解析见上题。 小题1:A。但(but)无论使用的哪一种来源的光,照射在书本或我们工作时的灯光对眼睛有重要的影响。 小题1:B。拿一本书,背(back)朝窗户坐下,试着阅读。 小题1:B。你的影子完全投射在书面上,对你眼睛造成的坏影响(bad)就如同你在一个黑(dark)屋子里读书。 小题1:D。dark黑暗的。解析见上题。 小题1:A。此时光线射进了你的眼睛里,但是(while)书面是暗的。 小题1:D。试着将身子右侧(right)对着窗户坐下。 小题1:B。may也许。但如果你是在书写,你手的影子会映照在书面上从而使你的视觉受到一些干扰。 小题1:D。a little一点,一些。解析见上题。 小题1:B。那么还剩下一种方法了,将身子左侧对着窗户坐下。 小题1:C。此时一些都完美了,无论是书写(writing)还是阅读。 小题1:D。always一直,总是。无论房间里是哪一种光线,这种正确落坐的方法都是同样适用的。 |
举一反三
Many places in the world need more fresh water. Every country is trying to find ways to turn salt water into fresh. Why aren’t there many factories like the Symi factory? In some places the sun is not hot enough. Or it does not shine every day. In such places other ways of heating sea water can be used. These ways cost more money, but they work faster than the sun. By boiling sea water with high heat a lot of fresh water can be made quickly. But heating is not the only way to get fresh water from salt water. Other ways are tried. One way is freezing. The fresh part of salt water freezes first. To get fresh water, the bits of ice are taken out. Which way is the best? The one that gives the most water for the least money. It may be a different way for each place. Symi’s way seems very good for small, hot places. It does not make much water at a time. But the factory is easy to build and costs little. That is why people in many dry places talk about Symi. 小题1:From the passage we know that fresh water _____________.A.is needed in many countries | B.is needed in every country | C.can be used in many ways | D.is very important for factories | 小题2:The Symi factory __________.A.turns salt water into fresh | B.can be built everywhere | C.can make much fresh water at a time | D.doesn’t need sunshine every day | 小题3:Which is the best way for small and hot places to get fresh water?A.Boiling the sea water. | B.Heating the sea water. | C.The Symi’s way. | D.Freezing the sea water. | 小题4:What fact doesn’t the passage mention (提到)?A.New ways of getting fresh water. | B.A lot of fresh water can be made quickly by heating. | C.The best way is to get the freshest water with the least money. | D.The Symi’s way doesn’t work in dry places. | 小题5:The Symi’s way is not suitable for _________ places according to the passage. |
Homework should be done as soon as you get home from school. If you have after-school activities, the homework should be done first. At the same time, it is fine to allow(允许)for a snack break and also to allow for stretching(拉伸的)breaks. Also, you should remember that it is your duty to do your homework. Next time, when you want to depend on(依靠) Mom and Dad for help, please try to find the answer yourself, because you will learn much, much more that way. When you have a question, especially something about a science or math, don’t always turn to your teacher! It is a good idea to try to find the answer yourself. If this doesn’t work, you can also look at the materials in the back of the book. They may guide you to the pages you should look at to help you understand the problem. Finally, while doing homework, don’t think about or do other things. Keep working. Setting a time limit(限制) often helps with this. Different ages decide different amounts of time. 10-15 minutes is good for a child that’s aged 6-8. A time of 20-30 minutes is about right for a child aged 9-12. Kids can keep studying for 30-45 minutes from the ages of 13 to 15. This, of course, depends on your abilities to pay attention and stay on tasks. 小题1:In the first paragraph, the writer mainly tells us that ______.A.doing homework is the first thing you should do at home | B.after-school activities can’t affect doing homework | C.parents can help kids with their homework at night | D.kids need a good rest after school | 小题2:In the third paragraph, the writer wants to tell us that ______.A.students should ask the teacher more questions | B.thinking over the questions before asking others is important | C.problems can’t be solved without a teacher’s help | D.students shouldn’t always look at the materials in the back of the book | 小题3:The passage mainly tells children ______.A.not to look away while doing homework | B.to do homework by themselves | C.not to turn to teachers when doing homework | D.to do their homework quickly and in the right way’ |
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Maybe you are more interested in sports than in history. You probably think you will never be a top student. 31 , anyone can become a better student if he or she wants to. If you can use your time well, you may 32 your study without much work. Here’s how: 33 your time carefully. You should make a 34 of things that you have to do. First write down the time for eating, sleeping, dressing, etc. Then decide on a good time for studying. Of course, studying shouldn’t take all of your time. Don’t 35 to leave yourself enough time for hobbies. Find a good place to study. Look around the house 36 a good study place. Keep this space. It may be a desk or just a corner of your room. N0 37 , radio, or television! When you sit down to work, think only about the 38 ! Make good use of your time 39 . Listen carefully to what the teacher says. Careful listening means 40 work after class. You also need to take notes, because it can make it easier for you to learn well. These are only some of the ways to help you with your studying. I believe you’ll find more other ways besides these.
小题1: | A.In fact | B.For example | C.At least | D.As usual |
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小题2: | A.affect | B.find | C.improve | D.own |
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小题3: | A.Take | B.Make | C.Prepare | D.Plan |
| 小题4:A. change B. choice C list D. wish
小题5: | A.want | B.forget | C.decide | D.hope |
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小题7: | A.books | B.pens | C.games | D.tapes |
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小题8: | A.subject | B.place | C.time | D.way |
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小题9: | A.after class | B.in class | C.at home | D.at school |
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小题10: | A.more | B.less | C.most | D.least |
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小题1:We may see this in a _______.A.newspaper | B.magazine | C.textbook | D.dictionary | 小题2: Which word can be both a noun and a verb?A.encourage | B.record | C.imagine | D.encouragement | 小题3:How many words are explained here?A.Three. | B.Four. | C.Five. | D.Six. | 小题4:Don "t make any noise when I"m recording the song. The word "record" in the above sentence has the same meaning as in "_______".A.I try to keep a record of everything I spend. | B.Medical records are now kept on computers. | C.I"ll record the film and we can all watch it later, | D.Her letters record almost all the details of her daily life. |
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This is not a diet. It’s a simple way to lose weight. And you don’t even have to give up the food you love or join a gym (健身房). You just follow some habits that thin people have. Keep them, and you’ll become thin. A. Wake-up When you wake up in the morning, sit up slowly without using your hands. With legs straight out, bend(弯曲) forward until you feel sore(酸痛) in your back. It will bum about 10 calories. B. Start with soup When you have a meal, order a clear soup, and have it before having the main food. In this way, you’ll feel fuller, so you’ll eat less when the main food comes. C. An apple (or more) a day Apples are full of fiber and water, so your stomach will want less. The study shows that people who eat at least three apples a day lose weight. D. Stand up and walk around Every time you use the mobile phone, stand up and walk around. Heavy people sit on average (平均)two and a half hours more each day than thin people. This skill is very important as standing up and walking around will bum 50 0r more calories. Use these skills, and you will have a big weight loss. 小题1:We should have soup first so that _______.A.it can help burn some calories | B.our stomach will want less | C.it will provide us with enough water | D.we won’t need any main food | 小题2:Which of the following may the writer NOT agree?A.Sitting up slowly without using your hands helps bum calories. | B.Eating apples every day is good for people’s health. | C.You have to join a gym if you want to lose weight. | D.It’s good to walk around while talking on the mobile phone. | 小题3:This passage is written to _______.A.give advice on how to lose weight | B.tell people to eat apples every day | C.tell people how to enjoy a better life | D.tell people to give up bad habits | 小题4: In which part of a newspaper would you most probably read the passage?A.Shopping. | B.Teaching. | C.Family. | D.Health. |
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