—You know, people are required to wear a helm...

—You know, people are required to wear a helmet while riding a motorbike.

—Oh, that's ___________ important rule to keep people safe.

A.a B.an C.the D./

九年级英语单选题简单题查看答案及解析

Electric bicycles have become one of the most popular vehicles (交通工具) in people’s daily life, whether in the countryside or in cities. They run on battery-operated (用电池发动的) motors. Electric bicycles can run much faster than bikes and they are very easy to ride.

They were first made in the 1980s in China, but they were not popular at that time. Today, thanks to the improvement on the quality (质量) of the batteries, electric bicycles sell much better. There are over 100 electric bicycles makers in China. Now China is one of the largest makers of electric bicycles in the world, and many people ride them to work, to send children to schools, to go to the supermarkets and so on.

However, electric bicycles also have disadvantages. The most important one is that they are not safe enough for people who ride them. There are many accidents caused by electric bicycles because of their fast speed. People must be careful when riding electric bicycles. At the same time, people should wear helmets (头盔) when riding electric bicycles. Check the batteries as often as possible. Keeping safe is the most important thing.

1.Electric bicycles were first made ________ in China.

A.in the 1960s B.in the 1970s C.in the 1980s

2.The underlined word “disadvantages” means ________ in Chinese.

A.优点 B.缺点 C.型号

3.To keep safe, people should ________ when riding electric bicycles.

A.wear helmets B.ride very fast C.make a call

4.According to the passage, which of the following is TRUE?

A.People in the countryside don’t ride electric bicycles now.

B.It’s not safe enough for people to ride electric bicycles.

C.There are over 300 electric bicycles makers in China

5.What is the writer’s main purpose in the passage?

A.To introduce electric bicycles to people.

B.To talk about the way to ride electric bicycles.

C.To show us the disadvantages of electric bicycles.

九年级英语阅读单选中等难度题查看答案及解析

Now all the e-bike riders in Ningbo________ (必须) wear helmets while riding.

九年级英语根据中/英文提示填空简单题查看答案及解析

COVID-19（新冠病毒）has stopped people from working for several months. In recent days, many people have returned to work. 1. Here is some advice.

When commuting（通勤）

Avoid taking public transport. 2. If you have to take public transport, you shall wear a face mask（口罩）through the ride and try to avoid touching objects in the vehicles（车辆）with your hands.

Entering the workplace

Wear a face mask and receive body temperature check before entering the office building. You must pass the body temperature check before being allowed in. 3. If you have signs such as fever, please go to the fever office of a hospital at once.

Using a lift

Avoid using the lift if you are going to or leaving lower floors. Use the stairs instead. Stand clear of lift doors while waiting. 4.

In offices

5. Do it three times a day for 15 minutes to half an hour each time. You can only get infected（感染的）if the virus builds up in large numbers. Fresh air can stop the virus from building up.

Keep healthy habits such as eating a healthy diet, exercising and getting enough sleep. They can improve your immunity（免疫力）.

A.Try to walk, cycle or drive to your office instead.

B.What steps of prevention（预防）and control are needed?

C.Do not stand face to face with people while waiting.

D.Open windows to let fresh air in during the day.

E.Wash hands in time.

九年级英语补全短文5选5中等难度题查看答案及解析

When you ride your e-bikes, for your safety, I think you________ wear the helmet.

A.need B.can C.must D.may

九年级英语单选题中等难度题查看答案及解析

1.Morpher, the folding bike helmet is 　　　　　 .

A. thick and heavy　　 B. not as strong as a traditional one

C. made from metal　　 D. flexible enough to fold almost flat

2.The underlined word "button" means "　　　　　 ".

A. 钉子　　 B. 按钮　　 C. 图案　　 D. 形状

3.The smart alarm clock can NOT 　　　　　　　 .

A. improve our sleep　　 B. control our weight

C. record our sleep cycles　　 D. control the temperature in the bedroom

4.If a child has a poor eyesight, he may be in the lack of　 　　　　　　 .

A. vitamin A　　 B. vitamin B　　 C. vitamin C　　 D. vitamin D

九年级英语阅读单选中等难度题查看答案及解析

1.Morpher, the folding bike helmet is_______　 .

A.thick and heavy B.not as strong as a traditional one

C.made from metal D.flexible enough to fold almost flat

2.The underlined word "button" means "_____ ".

A.钉子 B.按钮 C.图案 D.形状

3.The smart alarm clock can NOT _______　 .

A.improve our sleep B.control our weight

C.record our sleep cycles D.control the temperature in the bedroom

九年级英语阅读单选中等难度题查看答案及解析

Yesterday Tom and I were sitting in the school library. Then I looked out 1. the window and saw Mr. Smith, my English teacher, crossing the s2. playground. He was wearing a pair of　 3.(glass). “I don't want 4. meet him,” I said. “Why not？” Tom asked. “He just doesn't like me.” I explained.

Tom thought for 5. while and said, “Maybe you are wrong. He probably thinks you don't like him, so he's not 6.(friend)to you. If you show an interest i7. him, he will be interested in you. Go to　 talk to him.”

At last, I walked down and greeted Mr. Smith warmly. He looked at 8.(I)in surprise. And then we laughed and talked happily. I could imagine Tom watching from the w9., smiling.

Get to know people first and make friends with them. You'll find that you can feel other 10.(people)kindness more often.

九年级英语语法填空简单题查看答案及解析

Everyone knows that the novel coronavirus can spread through droplets(飞沫).Wearing a mask is not only responsible for our own health, but also for the health of others.Academician(院士) Zhong Nanshan has stressed the importance of wearing the mask on lots of occasions over and over again,and demonstrated how to wear and remove a mask properly in person.

There are some questions about masks in people's hearts.Today,we have chosen the questions that almost everyone cares about and answer them.

Which type of mask should we choose?

In this outbreak,medical protective masks(GB 19083-2010) and medical surgical masks (YY 0469-2011) are preferred.The above two types of masks are mainly for medical staff and are in short supply now.We can also choose medical care masks.

As for other types of masks,such as cotton masks,sponge masks,activated carbon masks,these are not suggested. Although they look thick,they have no effect on preventing viruses,while medical masks look thin but have good effects.

How often should the ordinary people change their masks?

Ordinary people don't have to change masks one at a time.If the following problemshappen,you need to change the mask.

·The mask nose clip(夹子) doesn't work.

·The mask ear ropes don't work.

·The mask is out of shape.

·The mask becomes dirty.

·Breathing resistance(阻力) increases.

Do we need to wear a mask at home?

Ordinary person does not need to wear a mask at home.But if someone in this family hasa fever,sneezing,runny nose and other symptoms(症状),every family member is advised to wear a mask.

How to remove the mask correctly?

When removing the mask,you should remove the ear ropes from both ears,do not touch the outside surface of the mask,and throw it directly into a safe trash bin.

If you want to reuse the mask,do not put it directly in the bag,pocket,etc.You can fold it from the inside to the outside and put it in a sealed(密封的) bag.

What should we do after using a mask?

·For ordinary people,throw the mask directly into the trash bin.

·For people who have symptoms such as fever,cough,sputum(痰),sneezing,or thosewho have stayed with such people,it is advised to throw the masks in the trash bin,then sprinkle 5% 84 disinfectant(消毒液).

·For suspected(疑似的) people,the masks must be treated as medical waste by the professional medical staff.

1.What does the underlined word“remove”in Paragraph 1mean?

A.take off B.turn off C.put on D.take out

2.Which type of mask should we choose in this outbreak?

A.cotton masks B.sponge masks

C.medical care masks D.activated carbon masks

3.When do we need to change the mask?

A.When the nose clip of the mask doesn't work.

B.When the ear ropes of the mask become loose(松的).

C.When you feel difficult to breath with it.

D.All the above.

4.What kind of people can throw the mask directly into the trash bin?

A.Ordinary people. B.Suspected people.

C.People who cough. D.Professional medical staff.

5.Which of the following is TRUE according to this passage?

A.Wearing a mask is mainly for the health of yourself.

B.Everyone knows the knowledge about masks clearly.

C.The novel coronavirus can spread only through droplets.

D.If you want to reuse the mask,you have to put it in a sealed bag.

九年级英语阅读单选中等难度题查看答案及解析

Welcome to the Huangsban Taiping Cableway（索道）!This is Asia's longest—and China's biggest—tourist cableway! Each cable car can carry 100 passengers and one safe worker. The cableway is 3, 709 meters long. The ride takes about eight minutes.

Here are things you must know before you take our cable car.

●Please obey the rules. Wait in a line for tickets, security check and entry.

●You must show your ticket to enter the passenger hall and take the cable car.

●People who have serious illnesses should not take the cable car.

●Don't use your mobile phone while you are in the cable car. Keep your head and hands inside the car. For the cable car may shake during the ride, please hold the handrail（扶手） firmly.

●If anything goes wrong, please keep calm. Ask the staff worker for help.

●Please bring your personal belongings with you before you leave the cable car. Don't step out of the car until it stops completely.

●You are not allowed to carry flammable, explosive or other dangerous things into the cable car.

Please call our staff when you need help. Our service number is 0559-08551818.

Thank you very much for your cooperation.

1.Each cable car can carry________ people in total.

A.100 B.101 C.110 D.113

2.Before travellers enter the passenger hall, they must ________.

A.take a photo B.show their tickets

C.hand in their mobile phones D.take a physical examination

3.Passengers should hold the handrail firmly because ________ during the ride.

A.the cable car runs too fast B.the cable car may be broken

C.the cable car may shake D.the cable car is often crowded

九年级英语阅读单选困难题查看答案及解析