We should stop people from_____ the street wh...

We should stop people from_____ the street when the light is red.

A. walk　　　         B.walking　　　　

C. to walk　　　　     D.walked

八年级英语单项填空简单题查看答案及解析

When the traffic lights turn red, we will stop driving a car or crossing a street. Why is red used for traffic lights instead of other colors?

As we know, scattering (散射) happens when light goes through the air. For the same media (媒质), if the wavelength is long, the sscattering will be short. If the wavelength is short, then the scattering will be long.

Of all lights we can see, red has the longest wavelength. So the scattering is the weakest. That means the red light travels far. In fact, it travels farther on rainy days.

Using the red light can help drivers in farther places see the lights. It helps drivers slow down or stop in time. So there will be fewer accidents. Moreover, red can also excite people. We can act more quickly when we see the color red. In a word, red lights help drivers stop in time and help prevent accidents.

1.According to the passage, the scattering of the red light is the _______.

A. longest　　　　 B. weakest　　 C. farthest　　　 D. brightest

2.The underlined word “wavelength” means________ in Chinese.

A. 光波　　　　 B. 波浪　　　　 C. 波长　　　　　 D.光波

3.What can the red light help drivers do?

A. It can make drivers stop in time.

B. It can help drivers act more slowly.

C. It can help drivers see the lights in farther areas .

D. A and C

4.Which of the following is the best title?

A. Why do accidents happen

B. How does the red light travel

C. Why do we use red traffic lights

D. The colors of the traffic lights

八年级英语阅读理解中等难度题查看答案及解析

When the traffic lights are red, we _______ stop.

A. should     B. might     C. must    D. may

八年级英语单项填空中等难度题查看答案及解析

—— Hurry up. The bus is coming!

—— Oh, no, we should cross the street ______ the traffic lights are green.

A. after　　　　　　　　　　　　 B. since　　　　　　　　　　　　 C. before

八年级英语单项填空中等难度题查看答案及解析

New traffic laws (交通法) say that if people cross the street when the light is red, they can be fined as much as 50 yuan.

The law has new rules for drivers and pedestrians(行人. Drivers have to slow down when they are close to crosswalks. If people are in a crosswalk, cars must stop to let them pass.

There are rules for bus drivers, too. If bus drivers smoke, drink or make phone calls while driving, they can be fined. Buses that carry too many people are also against the law.

Do you ride a bike to school? It’s not a good idea to carry classmates on the back. You could be fined 50 yuan. And stay in the bike lane (车道) when you’re riding. The big roads are for cars and buses.

Do you like to ride your uncle’s motorbike? When you put on your helmet (头盔), ask him to put one on, too. People on motorbikes must wear helmets, the new law says. If they don’t, they’ll have to pay 200 yuan.

Do you ride in cars often? Don’t forget to put on your seat belt (安全带), even if you’re going for a short taxi ride. It could save your life.

If you see a hit-and –run (肇事逃逸), tell the police. They may give you a reward (奖赏). And don’t be afraid to help people to the hospital if they are hurt in an accident. Don’t worry about money. The new law says that doctors must take care of them even if they can’t pay right away.

1.What does the word “crosswalk” mean in Chinese?

A. 过马路　 　　　　 B. 人行横道　 　　　　 C. 立交桥　 　　　　 D. 车行道

2.If you are a bus driver, ______while you are driving, according to the new traffic laws.

A. you can make a phone call

B. you can’t talk to others

C. you can’t smoke

D. you can drink

3.When you ride in a car, the first thing you must do is __________.

A. to put on the helmet

B. to pay the driver

C. to put on the seat belt

D. to see if it carries too many people

4.You should do all the following EXCEPT _________.

A. carrying your classmate on the back when you’re riding a bike

B. phoning the police when you see a hit-and-run

C. helping people to the hospital if they are hurt in an accident

D. wearing your helmet while riding a motorbike

八年级英语阅读理解困难题查看答案及解析

New traffic laws(交通法)say that if people cross the street when the light is red, they can be fined as much as 50 yuan.

The law has new rules for drivers and pedestrians (行人). Drivers have to slow down when they are close to crosswalks. If people are in a crosswalk, cars must stop to let them pass.

There are rules for bus drivers, too. If bus drivers smoke, drink or make phone calls while driving, they can be fined. Buses that carry too many people are also against the law.

Do your ride a bike to school? It’s not a good idea to carry classmates on the back.You could be fined 50 yuan. And stay in the bike lane(车道)when you’re riding. The big roads are for cars and buses.

Do you like to ride your uncle’s motorbike? When you put on your helmet(头盔), ask him to put one on, too. People on motorbikes must wear helmets, the new laws says. If they don’t, they’ll have to pay 200 yuan.

Do you ride in cars often? Don’t forget to put on your seat belt (安全带),even if you’re going for a short taxi ride. It could save your life.

If you see a hit-and–run (肇事逃逸), tell the police. They may give you a reward(奖赏). And don’t be afraid to help people to the hospital if they are hurt in an accident. Don’t worry about money. The new law says the doctors must take care of them even if they can’t pay right away.

1.What does the word“crosswalk”mean in Chinese?

A. 过马路　 B. 人行横道　 C. 立交桥　　 D. 车行道

2.If you are a bus driver, ______ while you are driving, according to the new traffic laws.

A. you can make a phone call

B. you can’t talk to others

C. you can’t smoke

D. you can drink

3.When you ride in a car, the first thing you must do is__________.

A. to put on the helmet

B. To pay the driver

C. to put on the seat belt

D. To see if it carries too many people

4.You should do all the following EXCEPT_________.

A. carrying your classmate on the back when you’re riding a bike

B. phoning the police when you see a hit-and-run

C. helping people to the hospital if they are hurt in an accident

D. wearing your helmet while riding a motorbike

八年级英语阅读理解困难题查看答案及解析

---We should stop people　　　　　　　　　　　 cutting down trees.

---I agree. Trees are getting now.

A. from, fewer and fewer　　 B. for, more and more

C. for, less and less　　 D. from, more and more

八年级英语单选题中等难度题查看答案及解析

We mustn’t cross the street _____ the traffic lights turn green.

A. after B. until C. when

八年级英语单选题困难题查看答案及解析

We’d better ________ the street when the traffic lights are red.

A.cross B.not across C.not cross

八年级英语单选题中等难度题查看答案及解析

根据所给汉语提示完成句子，每空一词。

1.我们应该制定法律来阻止人们杀害野生动物。

We should _________ _________ to stop people from killing wildlife.

2.扎龙自然保护区是世界上最重要的湿地之一。

Zhalong Nature Reserve is one of the world’s _________ _________ wetlands .

3.秋天，树叶成堆落在院子里。

In autumn, leaves _________ _________ piles in the yard.

4.如果你不想在森林里迷路，不要走得太远。

If you don’t want to _________ _________ in the forest, please don’t go far away.

5.我朝水里扔了一块石头，鱼儿迅速地朝四面八方游开了。

I threw a stone into the river and the fish swam away in _________ _________ quickly.

八年级英语翻译中等难度题查看答案及解析