题目
题型:期中题难度:来源:
pains (疼痛) all over. You don"t want to work, you stay in bed, feeling terrible.
What makes you ill? It"s germs. Germs are everywhere. They are very small and you can"t find them
with your eyes but you can see them with a microscope (显微镜). They are very small and there could be
hundreds of them in or on a very small thing.
Germs are always found in dirty water. When you look at dirty water under the microscope, you can
see them in it.
Germs are found not only in water. They are also found in air and dust (灰尘). If you cut your finger
(手指), and if some of the dust goes into the finger, it will become big and red, and you will have much
pain in it. Sometimes germs will go into your body and you will have pain everywhere.
B. 废气
C. 煤气
D. 空气
B. only when you use a microscope
C. when you cut your finger
D. everywhere around you
B. making very small things look much bigger
C. helping you see things clearly
D. killing (***死) germs
B. there are many germs in it and germs can make you ill
C. you can see many germs in it
D. it will make your finger red and big
B. how to look after your fingers
C. how to find germs in the dirty water
D. what can make you ill
答案
核心考点
试题【阅读理解。 When you have a cold, you must be unhappy (不快乐) because your body becom】;主要考察你对科普环保类等知识点的理解。[详细]
举一反三
eating well, getting enough exercise, and having a healthy weight. Let"s read the following rules. They can
help you stay healthy.
1. Eat a variety of foods, especially fruit and vegetables. We all know that eating fruit and vegetables can
help us stay healthy, but many of us only eat our favorite foods. Remember that we can only get the
nutrition (营养) we need by eating different kinds of food, especially fruit and vegetables.
2. Drink water and milk most often. Everyone knows that water is important. Besides that, kids need plenty
of calcium (钙) to grow strong bones, and milk has a lot of it. Every day, you should drink at least three cups
of milk(1300 milligrams of calcium), when you are 9 years old or older. You should also try to have less
sugary drinks, like soda and coca. They include a lot of sugar. Sugar just includes calories, not important
nutrition.
3. Listen to your body. When you are eating, notice how your body feels. When your stomach feels
comfortably full, stop eating. Eating too much makes you feel uncomfortable. If you do it too often, it can
make you unhealthy and fat.
4. Limit (限制) screen time. What"s screen time? It"s the amount of time you spend watching TV, movies,
and playing computer games. The more time you spend on these sitting-down activities, the less time you
spend playing sports, like basketball, and doing other activities like bike riding and swimming. Try to spend
no more than 2 hours a day on screen time.
B. doing more exercise
C. having a healthy weight
D. wearing comfortably
B. all kinds of
C. the rest of
D. a lot of
B. We should eat and drink something with less sugar.
C. When we are full, we should stop eating, however (不管怎样) delicious the food is.
D. We should spend the same time on both sitting-down activities and on sports.
B. three cups of milk
C. two cups of milk
D. one cup of milk
B. Eating and playing are both important.
C. Advice for staying healthy.
D. Health is very important.
shop, make, throw, how, it, many, give, bad, care, use, |
阅读理解。 |
Scientists (科学家) are trying to make the deserts (沙漠) into good land again. They want to bring water to the deserts, so people can live and grow food. They are learning a lot about the deserts. But more and more of the earth is becoming desert all the time. Scientists may not be able to change the desert in time. Why is more and more land becoming desert? Scientists think that people make deserts. People are doing bad things to the earth. Some places on the earth don"t get very much rain. But they still don"t become deserts. This is because some green plants are growing there. Small green plants and grass are very important to dry (***) places. Plants don"t let the hot sun make the earth even drier. Plants don"t let the wind blow (吹) the dirt (土) away. When a little rain falls, the plants hold the water. Without plants, the land can become a desert much more easily. |
1. Deserts ______. |
[ ] |
A. get very little rain B. never have any plants or animals in them C. can all be turned into good land soon D. both A and C |
2. Small green plants are very important to dry places because ______. |
[ ] |
A. they don"t let the sun make the earth even drier B. they hold water C. they don"t let the wind blow the earth away D. all of the above |
3. Land is becoming desert little by little (渐渐地) because ______. |
[ ] |
A. Plants can"t grow there B. There is not enough rain C. People haven"t done what scientists wish them to do D. Scientists know little about the deserts |
4. Which is the main idea of the first paragraph (段, 节)? |
[ ] |
A. Scientists know how to change desert into good land. B. Land is becoming desert faster than scientists can change it back into good land. C. If scientists can bring water to desert, people can live and grow food there. D. More and more places are becoming deserts all the time. |
5. After reading this, we learn that ______. |
[ ] |
A. plants can keep (阻止) dry land from becoming desert B. it is good to get rid of (去除) the grass in the deserts C. all places without much rain will become deserts D. it is better to grow crops (农作物) on dry land than to grow grass |
阅读理解。 |
Coffee has been a part of people"s lives for thousands of years, and today it is still one of the favorite drinks in the world. Many people in the world begin their busy day by drinking a cup of coffee or several cups of coffee. They have always said that a cup of coffee in the morning helps them begin their day in the right way. So they say a cup of coffee is necessary for them in the morning. Do you know what in the coffee makes our bodies and brains active? It is caffeine (咖啡因). Caffeine may increase a person"s mental and physical abilities (精力和体力). For example, two cups of coffee will make you breathe faster and augment body temperature. All this makes your heart beat faster, and doctors warn that this may be a little dangerous. Caffeine is found in tea, coffee, chocolate and some other foods. A little caffeine is probably not harmful. But too much caffeine can make people nervous and sleepless. |
1. The underlined word "augment" means ______. |
[ ] |
A. make more B. drink C. stop D. make less |
2. From this passage, we may know that drinking a cup of coffee late at night might ______. |
[ ] |
A. give you a headache B. make you fall asleep C. keep you awake D. may be dangerous |
3. Caffeine is found in ______. |
[ ] |
A. tea and water B. chocolate, meat and some other foods C. coffee and cream D. coffee, tea, chocolate and some other foods |
4. Which of the following is NOT true? |
[ ] |
A. Coffee has been a part of people"s lives for thousands of years. B. Caffeine does no harm to our body. C. Two cups of coffee will make you breathe faster and increase body temperature. D. Caffeine may increase human"s mental and physical abilites. |
5. A good title for this passage is ______. |
[ ] |
A. Coffee Is Harmful B. Coffee and Tea C. Caffeine and Health D. Caffeine Is Useful |
阅读理解。 |
There are many wetlands in China and some of them have become the world"s important wetlands. The Chinese Yellow Sea Wetlands are among them. They are in Yancheng, Jiangsu Province. They are home for many different kinds of birds and animals. The world"s largest Milu Deer Nature Reserve is in them. More than 700 milu deer live freely there. There are not many red-crowned cranes in the world, but every winter you can see some in the Red-crowned Cranes Nature Reserve in the Yellow Sea Wetlands. The temperature in the wetlands is usually neither too high nor too low. There is a lot of rain and sunshine, too. They are really good places for wildlife. Offering food and home for some special kinds of animals and birds is not the only reason why we need to protect wetlands. Wetlands are important because they also prevent flood. But some people want to change the wetlands to make more space for farms and buildings. This means there will be less and less space for wildlife. Luckily, more and more people are beginning to realize the important of wetlands and wildlife. Every year, on February 2nd, many activities are held to tell people more about wetlands. |
1. The Chinese Yellow Sea Wetlands are in the of China. |
[ ] |
A. east B. south C. west D. north |
2. The World Wetlands Day is on . |
[ ] |
A. April 22 B. June 25 C. February 2 D. March 22 |
3. We must protect wetlands because . |
[ ] |
A. they are home for wildlife B. they can prevent flood C. they can offer food to the animals and birds D. all of the above |
4. The best title for the passage is . |
[ ] |
A. China"s Wetlands Have All Entered the World"s List B. Wetlands-Home for Wildlife and Human Beings C. Special Animals in the Chinese Yellow Sea Wetlands D. Wetlands-Valuable Recourses (珍贵资源) of Land on the Earth |