Almost every Chinese person can recite(背诵) the two lines of the famous poem, “Every grain on the plate comes from hard work ”. But sadly, many of us don’t actually get the real meaning of these lines: Don’t waste food.
A CCTV program reported that the food Chinese people throw away every year is enough to feed 200 million people for a year. Do we have too much food? Absolutely not. According to the UN World Food Program, there were 925 million hungry people around the world in 2011, especially in developing countries. Six million children die of hunger every year.
Chinese people are well-known for being friendly and generous. Many even feel that they lose face if their guests have eaten all the food on the table. Luckily, a number of people have realized the importance of saving food. What should we do in our daily lives to waste less food?
1. Don’t order too much in a restaurant. Only order as much as you want to eat. If you cannot eat all the food you ordered, take the rest of it home.
2. Don’t leave any food in your bowls while having meals.
3. Keep an eye on what food you have at home. Don’t buy too much, especially for vegetables and fruit.
小题1:What’s the real meaning of the underlined sentence?| A．春种一粒粟，秋收万颗籽 | B．谁知盘中餐，粒粒皆辛苦。 | | C．吏禄三百石，岁晏有余粮 | D．足蒸暑土气，背灼炎天光。 |
小题2:According to the UN report, how many hungry people were there in 2011?| A．6 million. | B．925 million. | C．200 million. | D．725 million. |
小题3:What should we do to waste less food?| A．Order more food in a restaurant. | | B．Every time you eat, leave some food in your bowls. | | C．Take all the food you ordered home. | | D．Don’t store too much food like vegetables and fruit. |
小题4:Which of the following is NOT true?| A．A number of people have realized the importance of saving food. | | B．The food Chinese people throw away every year is enough to feed 200 million people for a year. | | C．200 million children die of hunger every year. | | D．Many Chinese feel that they lose face if guests have eaten all the food on the table. |
小题5:What’s the main idea of this passage?| A．Don’t waste food. | | B．Chinese people are friendly and generous. | | C．We can’t die of hunger. | | D．Every grain is grown by farmers. |
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小题1:B
小题2:B
小题3:D
小题4:C
小题5:A |
试题分析：这篇短文主要讲述了世界上的粮食短缺问题，并对如何节约粮食提出了三点建议。从而告诉我们不要浪费粮食。
小题1:根据本段最后一句the real meaning of these lines: Don’t waste food.描述，可知这句话的主要意思是告诉我们不要浪费粮食，故选B。
小题2:根据第二段According to the UN World Food Program, there were 925 million hungry people around the world in 2011,描述，可知选B。
小题3:根据3. Keep an eye on what food you have at home. Don’t buy too much, especially for vegetables and fruit.描述，可知选D。
小题4:根据第二段Six million children die of hunger every year.描述，可知选项C描述错误。
小题5:这篇短文主要讲述了世界上的粮食短缺问题，并对如何节约粮食提出了三点建议。故本文的主要思想是告诉我们不要浪费粮食。选A。
点评：本文中长句较多，一时很难读懂句子含义，注意多读几遍，不要强求非得理解一词一句的含义，能把握文章大意就行。然后带着问题阅读短文，一般就能顺利找出答题依据。对于不能直接找到根据的问题注意联系上下文，根据短文中心总结出正确答案。 |
核心考点
试题【Almost every Chinese person can recite(背诵) the two lines of the famous poem, “Ev】；主要考察你对
科普环保类等知识点的理解。
[详细]举一反三
Computer games are very popular. It is natural for people towant to 1 , so playing against a computer or against a friend on the computer can be 2 to stop . “Just one more game ,” often turns into another game , then another .
Computer games do have their 3 . They are excellent for training hand /eye coordination (协调). Surgeons(外科医生) who played computer games 4 children are often more practical . Computer games can also be 5 for teaching students. The students are open to learning while playing. They can study for longer than a 6 would be able to teach . Students can also learn at their own speed and not feel 7 to match classmates. And with computers you can 8 a task as many times as you like . The more you do this, the better you will get, 9 you can do it perfectly .
But like anything else in life, things should be 10 . Too much time on the computer can 11 your eyes . Regular breaks are needed. If students cannot 12 playing computer games , they won’t do as well in other areas in their life-not just schoolwork, 13 in developing important social skills such as how to talk with people and how to work with others as part of a 14 . And their health will become worse if they are 15 taking regular exercise.
Computer games have their place, but people must also remember it is important to have a balanced lifestyle.
| 小题1: | | A．win | B．lose | C．fight | D．race |
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| 小题2: | | A．easy | B．necessary | C．difficult | D．natural |
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| 小题3: | | A．rules | B．advantages | C．disadvantages | D．mistakes |
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| 小题5: | | A．good | B．bad | C．interesting | D．necessary |
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| 小题6: | | A．teacher | B．parent | C．doctor | D．computer |
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| 小题7: | | A．excited | B．pleased | C．stressed | D．willing |
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| 小题8: | | A．make | B．practice | C．put off | D．discover |
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| 小题9: | | A．when | B．until | C．after | D．while |
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| 小题10: | | A．planned | B．developed | C．balanced | D．discussed |
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| 小题11: | | A．break | B．hurt | C．relax | D．close |
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| 小题12: | | A．enjoy | B．start | C．stop | D．keep |
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小题13:A. but C. and C. or D. though
| 小题14: | | A．family | B．game | C．match | D．team |
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| 小题15: | | A．often | B．no longer | C．always | D．still |
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At the shopping mall, you probably think about spending, not saving. Think about all the lights that keep the mall bright. Think about all the water faucets in the toilet. Think about all the air conditioning in summer. Saving energy is a hot topic for such a big place!
Many things at the mall use energy. Electric lights, infrared faucets and air-conditioners need electricity to work. One way to save energy is by keeping lights clean. More and more dust and dirt make the lights less bright. When malls keep lights clean, they can use fewer lights and keep the area just as bright ,Using fewer lights means using less energy.
You step up to the water faucet. The water starts to flow. You don"t have to touch a thing. Why do malls have such fancy faucets?. The answer is simple. They save water. Sometimes people forget to turn the water off after they wash. Infrared faucets turn themselves off.
The…
小题1:________is a hot topic for a big mall.| A．To spend money | B．To save energy | | C．To keep the mall bright | D．To buy things |
小题2:Malls use infrared faucets mainly because________| A．they save water | B．they are fancy | C．they are simple | D．they turn themselves off |
小题3:Which of the following cannot save energy?| A．Using fewer lights. | B．Using infrared faucets. | | C．Using air-conditioners | D．Keeping lights clean. |
小题4:What will the fourth paragraph probably talk about?| A．How to save water when using infrared faucets in the mall | | B．How to save energy when using air-conditioners in the mall | | C．How to save money when shopping in the mall. | | D．How to spend money when shopping in the mall. |
小题5:The best title for the passage is_________| A．Lights, faucets and air-conditioners | | B．Spending less money | | C．Energy saving at the mall | | D．A hot topic |
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Many people hurt their backs when they try to lift heavy things from the floor. It is easy to hurt your back muscle(肌肉) when you try to pick up a heavy thing. However, there is a correct way to lift things from the floor. If you pick up heavy things correctly, you probably will not hurt your back.
To lift something from the floor correctly, first bend (弯曲) your knees and lower yourself. Keep your back straight. Do not bent over, from your waist (腰) keep your back and hips (臀部) and waist in a line. If you bent over, the muscles in your lower back can became hurt very easily. If you keep your back and hips straight, the muscles are stronger, because they hold up together. The other muscles can then help the lower back muscles.
As you lower yourself, try to get as close to thing as you can, put one knee on each side of the thing. Remember at all times to keep your back straight. Put your hand under the thing that is in front of you, between y our knees.
To lift the thing, you should stand up slowly. Use your leg muscles in order to stand up. In other words, lift with your legs, not with your back.
小题1:Which part of your body is more easily to be hurt when you lift heavy things?| A．The leg muscles. | B．The back muscles | | C．The hips | D．The knees |
小题2:Many people hurt their backs when they lift something because _______.| A．they are not strong | | B．the things are very heavy | | C．the way to lift the things is not correct | | D．they are very heavy |
小题3:The muscles are stronger if you _______.| A．keep your back, hips and waist in a line | | B．bend over from your waist | | C．lower yourself | | D．get down on your knees |
小题4:To lift heavy things, the most important of all is to _________.| A．stand up slowly | | B．keep your back straight | | C．bend your knees | | D．put one knee on each side |
小题5:What does “In other words” mean? ________| A．总而言之 | B．换句话说 | C．在其它话中 | D．在其它单词中 |
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If you have a bottle of water recycled(再利用) from urine(尿), would you drink it? Astronauts at the ISS may soon do so.
NASA(美国航空航天局) said it would use a high-tech machine to recycle wastewater at the ISS. The machine will recycle water for washing hands, shower water, water for brushing teeth and even urine to make drinking water. It will save millions of dollars each year.
At present, each ISS astronaut uses about 4.4 liters(升) of water every day. It costs about 24 million dollars a year to send water up to the ISS. A liter of water costs about $ 11,000.
The machine will be sent to the ISS later. NASA hopes it will recycle about 93% of all the water used on the station.
Will the water be clean? Different chemicals will be put in the wastewater. The water will be heated to 130℃ to kill bacteria(细菌). Scientists say that the recycled water is thousands of times better than the water from a city tap.
小题1:NASA will use a high-tech machine to recycle wastewater at the ISS to ______.| A．protect the ISS | | B．make the astronauts work harder | | C．provide better water and food for the astronauts | | D．save the cost of sending water up to the ISS |
小题2:At present it costs NASA about ______ dollars to transport water up to an astronaut at the ISS a day.| A．4.4 thousand | B．11 thousand | | C．48.4 thousand | D．24 million |
小题3:Scientists plan to get rid of bacteria in the wastewater by ______.| A．freezing | B．heating | | C．shaking | D．precipitating(沉淀) |
小题4:The passage mainly tells us something about ______.| A．water recycling at the ISS | | B．the International Space Station | | C．a high-tech machine | | D．the cost of NASA |
小题5:Which of the following sentences is TURE?| A．The recycled water is much better than that from a city tap. | | B．The high-tech machine will recycle all the water used on the station. | | C．The ISS astronauts use more water than us. | | D．The high-tech machine can only recycle urine to make water. |
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A Brown University sleep researcher has some advice for people who run high schools: Don’t start classes so early in the morning. It may not be that the students who nod off at their desks are lazy. And it may not be that their parents have failed to enforce(确保) bedtime. Instead, it may be that biologically(生物学上)these sleepyhead(贪睡者)students aren’t used to the early hour.
“Maybe these kids are being asked to rise at the wrong time for their bodies,” says Mary Carskadon, a professor looking at problem of adolescent (青春期的)sleep at Brown’s School of Medicine.
Carskadon is trying to understand more about the effects of early school time in adolescents. And, at a more basic level, she and her team are trying to learn more about how the biological changes of adolescence affect sleep needs and patterns(方式).
Carskadon says her work suggests that adolescents may need more sleep than they did at childhood, no less, as commonly thought.
Sleep patterns change during adolescence, as any parent of an adolescent can prove. Most adolescents prefer to stay up later at night and sleep later in the morning. But it’s not just a matter of choice---their bodies are going through a change of sleep patterns.
All of this makes the transfer(迁移)from middle school to high school---which may start one hour earlier in the morning----all the more difficult, Carskadon says. With their increased need for sleep and their biological clocks set on the “sleep late, rise late” pattern, adolescents are up against difficulties when they try to be up by 5 or 6 a.m. for a 7:30 a.m. first bell. A short sleep on a desktop may be their body’s way of saying. “I need a timeout.”
小题1:Carskadon suggests that high schools should not start classes so early in the morning because _______.| A．it is really tough for parents to enforce bedtime | | B．it is biologically difficult for students to rise early | | C．students work so late at night that they can’t get up early | | D．students are so lazy that they don’t like to go to school early |
小题2:The underlined phrase nod off most probably means _______.| A．turn around | B．agree with others | C．fall asleep | D．refuse to work |
小题3:What might be a reason for the hard transfer from middle school to high school?| A．Adolescents depend more on their parents. | | B．Adolescents have to choose their sleep patterns. | | C．Adolescents sleep better than they did at childhood. | | D．Adolescents need more sleep than they used to. |
小题4:What is the test mainly about?| A．Adolescent health care. | | B．Problems in adolescent learning. | | C．Adolescent sleep difficulties. | | D．Changes in adolescent sleep needs and patterns. |
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