All about Electric CarsElectric vehicles(电动车辆...

All about Electric Cars

Electric vehicles(电动车辆) have been around for more than a hundred years. But they have really been liked by a large number of people over the last ten years. More than three million all-electric cars trucks and vans are now on the road worldwide.

Helping the Environment

Most cars run on gasoline(汽油). Burning gasoline and other fossil fuels(矿物燃料) produces greenhouse gases. Electric vehicles don’t burn gasoline. Instead, strong batteries run their electric engines. So, electric vehicles don’t directly produce greenhouse gases.

Poop Power!

Electric vehicles are better for the environment. But they are not perfect. Their batteries often use electricity(电) that was made by burning fossil fuels. But an electric vehicle uses less energy than a vehicle that runs on gasoline. Plus, some of the electricity comes from “greener” sources, such as solar and wind power. And some may soon come from a new source — cow poop(牛粪)! An electric car company has worked together with a large dairy farm. They plan to make electricity using a greenhouse gas from cow poop.

Always Improving

One of the problems for electric vehicles is their limited range. This is how far they can travel before their batteries need another charge(充电). But now their range is improving. Some new electric vehicles can travel almost three times as far as older ones did. Another problem is finding a place to recharge the batteries. But the number of charging stations is going up as well. China now has thousands more charging stations than it did ten years ago. In Sweden, engineers have even designed a road that will charge electric vehicles as they drive along.

1.Which of the following truly describes electric vehicles according to Paragraph 1?

A.Useless. B.Popular. C.Cheap. D.Perfect.

2.What does the picture above show?

A.Parts of an electric car. B.Ways of driving a car.

C.Wheels on an electric car. D.Batteries in an electric car.

3.How does the electric car company plan to make electricity according to Paragraph 3？

A.By burning gasoline.  B.By burning fossil fuels.

C.By using a gas coming from cow poop.  D.By using solar and wind power.

4.What is the last paragraph mainly about?

A.Reasons for buying new electric cars.

B.Importance of electric cars in our life.

C.Ways to produce more electric vehicles.

D.Problems and improvements of electric vehicles.

九年级英语阅读单选中等难度题查看答案及解析

Cars powered by gasoline were sold for many years before hybrid vehicles that use gasoline, electricity, and solar energy, Car companies are now making cars that are fully powered by electricity only. How do these electric cars measure up to (符合标准) traditional gasoline cars?

Electric and gasoline vehicles look similar on the outside. They have very different parts under their hoods. though. Electric cars have one main moving part: the motor. But gas cars literally have hundreds of parts, often requiring frequent maintenance (保养). Having fewer parts makes the electric car cheaper to maintain and less likely to have mechanical problems.

Electric vehicles are energy efficient, also making them cheaper to operate. It costs about $1. 00 to travel 43 miles in an electric car, which is a clear contrast to a gas car, which costs about $1. 25 to go 18 miles. Basically, an electric car can go twice as far as a gas car for the same price.

Electric vehicles do not have tailpipe emissions, making them more friendly to the environment, too.

While some details make electric cars seem attractive, other details aren’t as favorable. For example, some electric cars can travel only 60 to 120 miles on a full charge (充电) . Most gas cars can drive hundreds of miles on a full tank.

An electric car has to stop more often to get recharged. Therefore, a gas car would be a better option (选择) if you have far to drive. And electric cars aren’t as convenient (方便的) to power up as gas cars are. There are plenty of gas stations, but not many charging stations for electric cars. Then, once an electric car reaches a charging station, it can take up to six hours to charge.

There are certainly benefits to both electric cars and gasoline cars. It’s good to know that there is an option.

九年级英语填空中等难度题查看答案及解析

Fish live in water, They use their special organ called gills for breathing. Some fish are dangerous to humans. Here are the world's most dangerous fish.

Electric Eel (电鳗) —It is a South American fish. Electric eels are long, and generally gray-brown in color. The electric eel can reach up to 9 feet long and can weigh up to 22 kg. The fish has a mouth rich in blood vessels (血管) that can be used as lungs. Its tail has the electric organ that discharges (释放) 300-650 volts of electricity.

Stonefish—These venomous (有毒的) fish are generally found in the waters of the tropical Indo Pacific. These fish have small eyes and large heads and mouths. If you ever see one, stay well away from it.

Piranal (水虎鱼) — There are more than 60 species of Piranha fish. These meat-eating fish have sharp teeth. Most of the Piranha species eat anything that they can find or feed on plants.

Great White Shark —These powerful fish are also known as the white pointer. The great whites have been around for more than15 million years. This shark is known for attacking humans.

Puffer Fish(河豚) —They can inflate (使膨胀) themselves with water and air to turn into a ball several times their real size. One puffer fish has enough toxins (毒素) to kill about 30 humans. There are total 120 species of puffer fish all over the world.

1.Electric eels are dangerous because ________.

A.they have sharp teeth B.they have lots of toxins to kill humans

C.they can produce a powerful electric shock D.they are long and weigh up to 22 kg

2.Where do stonefish live?

A.In the ocean of South America. B.In the waters of the tropical Indo-Pacific.

C.In the Amazon River. D.In the sea all over the world.

3.Piranha might live on a diet of _____________.

A.plants on land B.bird eggs C.salt in water D.dead fish or grass in water

4.Which have been on the earth for millions of years?

A.Electric eel fish. B.Piranha. C.The great whites. D.Puffer fish.

5.The passage is mainly about__________________.

A.the world's most dangerous fish B.feeding habits of different fish

C.a special fish with a body shaped like a ball D.how to keep safe in water

九年级英语阅读单选简单题查看答案及解析

We are all middle school students.Most of us have been learning English for about seven years.How can we learn and improve our English?

Please write a passage (about 100 words) and tell us your ideas.

How to improve our English

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

九年级英语话题作文中等难度题查看答案及解析

You have been thinking about it all week. It kept you awake last night. Now, as you walk to the front of the class, your throat is dry and your stomach feels funny. 1.　　　 . However, by making a small preparations and rehearing (预演) carefully, you can be a public speaking star, too. 2.　　　 . Being excited about your topic is necessary for all the good speeches, so it's important to choose carefully. If you enjoy your topic, your audience(观众) will, too. Even if you are given a topic, try to find something about it that it is exciting or funny.

Next do some research. Don't just research your topic. 3.　　　 . If you can, study videos of a great speaker to see how they move, speak, and pause(停顿). Copying their style will help you to write a great speech.

After researching, it’s time to write your speech. During this stage, think of your audience all the time. Entertaining your audience is important. It helps you relax if you know that your audience is enjoying your speech.

Finally, rehearse. You really need to rehearse a lot. Measure your speech with a watch, and practice in front of a mirror. 4.　　 . If you have followed all these steps, you should be ready for your audience. Good luck!

九年级英语补充句子困难题查看答案及解析

You have been thinking about it all week. It kept you awake last night. Now, as you walk to the front of the class, your throat is dry and your stomach feels funny. ___1.__. However, by making a small preparations and rehearing(预演)carefully, you can be a public speaking star, too.

___2.__. Being excited about your topic is necessary for all the good speeches, so it's important to choose carefully. If you enjoy your topic, your audience(观众) will, too. Even if you are given a topic, try to find something about it that it is exciting or funny.

Next do some research. Don't just research your topic. ___3.__. If you can, study videos of a great speaker to see how they move, speak, and pause(停顿). Copying their style will help you to write a great speech.

After researching, it’s time to write your speech. During this stage, think of your audience all the time. Entertaining your audience is important. It helps you relax if you know that your audience is enjoying your speech.

Finally, rehearse. You really need to rehearse a lot. Measure your speech with a watch, and practice in front of a mirror. ___4.__ . If you have followed all these steps, you should be ready for your audience. Good luck!

A. You are a very successful speaker

B. Learn from some great speakers as well

C. Start by choosing something that you are interested in

D. Many students find it difficult to give a public speech

E. You can check your hand movement and facial expression

九年级英语其他题中等难度题查看答案及解析

You have been thinking about it all week. It kept you awake last night. Now, as you walk to the front of the class, your throat is dry and your stomach feels funny. _1.__. However, by making a small preparations and rehearing(预演)carefully, you can be a public speaking star, too.

__2._. Being excited about your topic is necessary for all the good speeches, so it's important to choose carefully. If you enjoy your topic, your audience(观众) will, too. Even if you are given a topic, try to find something about it that it is exciting or funny.

Next do some research. Don't just research your topic. ___3._. If you can, study videos of a great speaker to see how they move, speak, and pause(停顿). _4.__

After researching, it’s time to write your speech. During this stage, think of your audience all the time. Entertaining your audience is important. It helps you relax if you know that your audience is enjoying your speech.

Finally, rehearse. You really need to rehearse a lot. Measure your speech with a watch, and practice in front of a mirror. __5._ . If you have followed all these steps, you should be ready for your audience. Good luck!

九年级英语其他题中等难度题查看答案及解析

阅读短文，从A-E五个句子中选择正确选项还原到文中，使短文内容完整、正确。

You have been thinking about it all week. It kept you awake last night. Now, as you walk to the front of the class, your throat is dry and your stomach feels funny. 1.________　 However, by making a few small preparations and rehearsing (预演) carefully, you too can be a public speaking star.

2.__________ Being excited about your topic is necessary for all the good speeches, so it's important to choose carefully. If you enjoy your topic, your audience (观众) will, too. Even if you are given a topic, try to find something about it that is exciting or funny.

Next, do some research. Don't just research your topic. 3.__　 If you can, study video of a great speaker to see how they move, speak, and pause (停顿). Copying their style will help you to write a great speech.

After researching, it's time to write your speech. During this stage, think of your audience all the time. 4. _____ It helps you relax if you know that your audience is enjoying your speech.

Finally, rehearse. You really need to rehearse a lot. Measure your speech with a watch, and practice in front of a mirror (镜子). 5.__________ If you have followed all these steps, you should be ready for your audience. Good luck!

九年级英语其他题中等难度题查看答案及解析

请先阅读下面短文，掌握其大意，然后根据短文内容从下面方框内的七个选项中，选择五个还原到文中，使短文意思通顺、结构完整。

You have been thinking about it all week. It kept you awake last night. Now, as you walk to the front of the class, your throat is dry and your stomach feels funny. 81. __________________________                      However, by making a few small preparations and rehearsing (预演) carefully, you too can be a public speaking star.

82. __________________________ Being excited about your topic is necessary for all the good speeches, so it's important to choose carefully. If you enjoy your topic, your audience (观众) will, too. Even if you are given a topic, try to find something about it that is exciting or funny.

Next, do some research. Don't just research your topic. 83. _________________________  If you can, study video of a great speaker to see how they move, speak, and pause (停顿). Copying their style will help you to write a great speech.

After researching, it's time to write your speech. During this stage, think of your audience all the time. 84. __________________________ It helps you relax if you know that your audience is enjoying your speech.

Finally, rehearse. You really need to rehearse a lot. Measure your speech with a watch, and practice in front of a mirror (镜子). 85. __________________________ If you have followed all these steps, you should be ready for your audience. Good luck!

九年级英语补充句子困难题查看答案及解析

I’m afraid I can do nothing about it. All that can be done ____.

A.has done　　　　 B.has been done　 C.have done　　　　 D.were done

九年级英语单项填空中等难度题查看答案及解析