The virus may destroy and some files in your ...

The virus may destroy 　　　　　 and some files in your computers will disappear.

A. mouse　　 B. keyboard　　 C. programs　　 D. screen

八年级英语单选题简单题查看答案及解析

Nowadays, computers and the Internet are playing an important part in our life. Some people even say that they can’t live without them. We usually need to set passwords (密码) when we use the computers. But not all the passwords are safe. We should learn how to make safe passwords.

How can you make your passwords safe? Experts have some tips for you. You’d better remember the tips because they are useful. Here are some tips.

First, make your password out of capital letters. It will be difficult for others to get into your account (账户). It only takes a hacker (黑客) 10 minutes to work out a six-letter password made of small letters. But the same password in capital letters takes 10 hours to work out.

Second, add numbers or symbols (符号) to your password. It may be much safer. Sometimes such passwords are not easy to remember, but they are really safe.

Third, never use personal information for passwords and use different passwords for different accounts. Experts say that a user should change his passwords about every 90 days. In that way, hackers won’t guess your passwords.

1.The underlined word “them” refers to “________________”.

A. the passwords B. computers and the Internet

C. the capital letters D. the accounts

2.If you set your password with six capital letters, a hacker may spend _____ working it out.

A. 10 minutes B. 10 hours C. one day D. a week

3.You should change your passwords about _______________.

A. every 10 days B. every month

C. every two months D. every three months

4.According to the passage, which of the following is not a safe password?

A. 891106. B. Liz287. C. LUCKY3. D. 432ac%.

5.What’s the best title for the passage?

A. Computers and the Internet B. Setting personal accounts

C. Using capital letters D. Making your passwords safe

八年级英语阅读单选中等难度题查看答案及解析

It’s a pity! The new computer which I bought one week ago_________ a virus(病毒) and it can’t work.

A. catches B. caught C. has caught D. was catching

八年级英语单选题中等难度题查看答案及解析

---Mom! May I have some cakes?

---Sorry, there’s ________ left in the box. I will go and buy some for you this afternoon.

A. nothing　　 B. no one　　 C. none　　 D. no

八年级英语单项填空中等难度题查看答案及解析

---Mom! May I have some cakes?

---Sorry, there’s ________ left in the box. I will go and buy some for you this afternoon.

A. nothing　　 B. no one　　 C. none　　 D. No

八年级英语单项填空中等难度题查看答案及解析

You may meet many people in your life. But Mom and Dad are two of the most important people in your life. Over your lifetime, they may influence(影响) you more than anyone else you will meet. Moms and Dads need to care for their kids every day. Most parents will do this as long as they live.

There are many ways to stay close, to get along well and to build a strong relationship(关系) with your parents. Here are some of them:

Spend time together. Don’t play computer games or watch TV alone. Ask your mom and dad to play with you. Go outside together, or do some reading.

Be kind. Little things might mean a lot to your mom or dad. You can give your parents a happy day with a card or a joke. It’s also lovely when a kid cleans up his or her room without being asked. And if you try not fight with your brothers or sisters, your parents will be so happy.

Do your best at whatever you do. You don’t have to be the best, but when you do your best, you make your parents proud(骄傲). It makes them happy to see how you are turning into a good kid. Why? Because it lets them know they are doing a good job.

1.What does the underlined word “this” mean in the first paragraph?

A. To meet people everywhere.　　　　　　　 B. To care for their kids every day.

C. To work for the family.　　　　　　　　　　 D. To take their kids to school .

2.Which of the following can’t help you build a strong relationship with your parents?

A. Being kind.　　　　　　　　　　　　

B. Spending time with them together.

C. Playing computer games or watching TV alone.

D. Doing your best at whatever you do.

3.Which of the following can make your parents happy?

A. Give them a card .　　　　　　　　 B. Play a joke with them.

C. Clean the room yourself.　　　　 D. All of the above.

八年级英语阅读理解困难题查看答案及解析

Every town in the United States has a post office . Some are very small , and you may also find them in the corner of a shop . Others are larger buildings . They are open five days a week and on Saturday mornings . From Monday through Friday they are usually open from 8:30 to 4:30 .　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

If you know how much the postage (邮资) is for your letter , you can buy stamps at any window. In some post offices you can buy stamps from machines . Stamps are sold many different prices , from one cent (美分) to many dollars . If you are not sure how much postage is for you letter , you may ask the man or the woman in the post office for help . he or she will give you the stamps you need . If you are sending your letter far away , you should use airmailenvelopes (航空信封) . Remember that postage will be more expensive for a letter to be sent outside the country.

At a post office you can also buy postcards . A postcard is cheaper than a letter . Usually the price of postage for a postcard is about half that of a letter . The postcards that you buy at a post office do not have pictures . However ,also they are not to be sent outside the country .

Letters are an easy and cheap way to keep in touch with people in many different countries .

1.The passage tell us that we can find ________ easily in the United States of America.

A. post offices　 B.large buildings　

C.small shops 　　 D.different banks

2.What time can you go to the post office in the United States if you want to send a letter?

A. At 9:00 on Sunday morning　 B.At 12:00 on Tuesday.

C.At 5:00 on Friday afternoon　 D.At 8:00 on Monday morning.

3.If you are not sure how much postage is for your letter ,you can____.

A.go and buy stamps from the machine in the post officesend a cheap postcard instead of your letter

B.get in touch with somebody you know in the post office

C.ask the man or the woman in the post office for help

D.Call your friends for help.

4.The price of postage for ________ is more expensive.

A.a beautiful postcard B.a letter written on envelope

C.a letter by airmail D.a postcard with pictures

5.The passage tells us something about ________ in the USA

A.the post office　 B.the postage

C.letters 　　　　　　 D.postcards

八年级英语阅读理解中等难度题查看答案及解析

You may play computer games, ____ must finish your homework first.

A. so　　 B. or　　 C. but　　 D. and

八年级英语单选题困难题查看答案及解析

A study reported: using a computer at home may be bad for a child's performance in math, science and English. It can't improve them. Children are spending more time chatting (聊天) , playing games or sending and they aren't doing their homework.

Li Jun, Hunan

Now more and more people are buying and selling things on the Internet. Hackers around the world are interested in this. They often break in your system, but it's very difficult to find them. They even can take your money out of the bank.

Xiao Yu, Guangdong

I'm a 14-year-old girl in Tibet. The Qinghai-Tibet Railway was built in 2006. I can reach Beijing by train in about 48 hours. I can often go to visit my grandpa.

Joma, Tibet

I'm 13 years old. I want to invent a machine. My machine will forecast the earthquake better and make people run to safe places.

Lin Yan, Sichuan

1.What does Li Jun think of using the computer at home?

A. It can help children improve their study.

B. It's good for a child's performance in math, science and English.

C. It's bad for children's study.

D. It's good for children to chat with each other.

2.What do Hackers always do according to Xiao Yu?

A. They sell things on the Internet.

B. They break in others' system to get money or other things they want.

C. They buy things on the Internet.

D. They protect the Internet.

3.People in Tibet can get to Beijing _________ in about 48 hours now.

A. by train　　　　　 B. by bus

C. by plane　　　　 D. by subway

4.The underlined word "forecast" means " ________ " in Chinese.

A.制止　　　　　 B．预报

C．发现　　　 D.处理

5.What is Lin Yan's dream?

A. To be a hacker.

B. To be a teacher.

C. To be a doctor.

D. To be a scientist.

八年级英语阅读理解中等难度题查看答案及解析

Nowadays, computer and Internet are playing an important part in our life. Some people even say they can’t live without them. We usually need to set passwords when we use computers and Internet. But not all the passwords(密码) are safe. In order to keep our accounts（账户） and personal information safe, we must learn how to make safe passwords.

How can you make your computer and Internet passwords safe? Experts have some tips for you. You’d better remember the tips and they are useful. Here are the tips.

First, make your password out of capital letters. If your password is made of capital letters, it will be difficult for others to get into your account. It only takes a hacker（黑客） 10 minutes to work out a six letter password made of small letters. But the same password in capital letters 10 hours to work out.

Second, add numbers or symbols to your password. It may be much safer. Sometimes such password is not easy to remember, but it is really safe.

Third, never use personal information for passwords and use different passwords for different accounts. Experts say that a user should change his or her passwords every 90 days. In this way, hackers won’t guess your passwords.

1.What does the word “capital” mean in the passage?

A. difficult B. nice C. big D. different

2.You should change your password_________.

A. Every 10 days B. Every month

C. Every two months D. Every three months

3.According to the passage, which of the following is NOT a safe password?

A. 901112 B. Liz287 C. LUCKY3 D. 432Ac%

八年级英语阅读单选中等难度题查看答案及解析