All over the world the need for more laptops and computers increases each year. Networks have been part of our life. Probably everyone with a portable device (移動(dòng)設(shè)備) has once logged on to a public WiFi network without paying for it, while they are having a coffee, on a train, in a shopping mall or at a hotel. However, is this kind of public WiFi network safe?

Some networks are better protected than others because encryption (加密) methods are used. Therefore, they are safer than others. But a survey in 2015 showed that more than 950 million records were not protected, including addresses, emails, birth dales, phone numbers, passwords and so on. These open WiFi networks are really not safe, because it is very easy for hackers to break into the operating system and get people's private information.

Most smartphones and laptops, by themselves, search and connect to WiFi networks. They usually prefer a network with a connection that has been used before. Hackers' devices are able to record these searches and look like the trusted WiFi networks. When these smartphones and laptops log on to the networks which are not real, hackers can easily steal their private information.

So next time, when we want to use our laptops or our smartphones in public places which offer free WiFi networks，please think it twice or take safe measures before using them.

1.We can learn from the passage that______.

A. not all the public WiFi networks are safe B. none of the public WiFi networks is safe

C. in 2015 more than 950 million records were protected D. there is no way to protect our private information

2.Hackers would probably get the following EXCEPT_______when we connect our laptops or smartphones to a public WiFi network.

A. our birth dates B. our passwords

C. our phone numbers D. our smartphones

3.Which of the following can be the best title of this passage?

A. Don't Use Public WiFi Networks B. Why the Public WiFi Networks a Possible Danger

C. We Needn't Protect Our Private Information D. Why Hackers Break into the Operating System

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：初中英語(yǔ) 來(lái)源：湖北省鄂州市五校2019屆九年級(jí)上學(xué)期期末聯(lián)考英語(yǔ)試卷 題型：多任務(wù)混合問(wèn)題

The Sunday Mail magazine interviewed some parents about whether children should do chores at home. Different people have different opinions.

Ms Miller thinks that kids these days already have enough stress from school. They do not have time to study and do housework, too. Housework is a waste of their time. ①They should spend time on schoolwork in order to get good grades and enter a good university. When kids get older, they will have to do housework. So there is no need for them to do it now. She thinks that doing chores is not so difficult.

However, Mr. Smith disagrees with her. He thinks it is important for children to learn how to do chores and help their parents with housework. It’s not enough to just get good grades at school. ②現(xiàn)在的孩子太依賴他們的父母。 Doing chores helps to develop children’s independence and teaches them how to look after themselves. ③ It also helps them to understand the idea of fairness. Everyone should do their part in keeping the house clean and tidy. ④The earlier kids learn to be independent, the better it is for their future.

1.將①處改為復(fù)合句：___________________

2.將②處譯成英文：___________________

3.寫(xiě)出③處指代的內(nèi)容：___________________

4.將④處譯成中文：___________________

5.回答：What does the passage mainly talk about?

_____________________________________________________________________________

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：江蘇鹽城市2016-2017學(xué)年八年級(jí)第三次月考英語(yǔ)試卷 題型：話題作文

書(shū)面表達(dá)

所有生物都是地球的主人，人與動(dòng)物共享同一個(gè)家園。假如你是鹽城市初級(jí)中學(xué)八（1）班學(xué)生Millie，請(qǐng)你以Protect Earth and Love Animals 為題寫(xiě)一篇演講稿,在學(xué)校舉辦的“第六屆英語(yǔ)文化節(jié)”活動(dòng)中作專(zhuān)題演講。

要求：1，演講內(nèi)容包含所有要點(diǎn)，省略號(hào)部分要作適當(dāng)發(fā)揮。

2，條理清晰、字跡工整。詞數(shù)80詞左右。

Your idea

Share the same home with other living things

Problems

1.cut down trees and forests

2.hunt animals for money

3.make more space for farms and buildings

4.many natural disasters happen every year

Ways

1. the government: make laws to protect the government and animals

2.the students should…

Importance

If you do/don’t do…

Protect Earth and Love Animals

Good morning, everyone! Today I am very happy to be here to give a report about protecting Earth and loving animals.

That’s all. Thank you very much!

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：江蘇鹽城市2016-2017學(xué)年八年級(jí)第三次月考英語(yǔ)試卷 題型：單選題

Tom has ______ homework to do .He ______ not come to the party this evening.

A.much too, must B.too much, maybe

C.too much, may D.much too, need

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：浙江省杭州市濱江區(qū)2019屆九年級(jí)中考模擬英語(yǔ)試卷 題型：語(yǔ)法填空

Melbourne is in Australia. It is a beautiful city1.huge gardens, great parks and many2.(amaze) buildings. Many people came to visit it every year.

Melbourne is also3. ancient city in Australia. It has an interesting history of more than 170 years. The first people came in 1835,and in the 1850s,gold 4.(discover). Because of this, Melbourne became a very rich city. Many new buildings were built at that time.

And today, Melbourne is one of the world’s 5.(great) cities. It is known 6. its 7. (beautiful) and its famous universities. It is also Australia’s top city for8. (sport).Many of them are very popular. For example, young people are mad 9. soccer here. In 1956,the Olympic Games came to this city, and for the first time they were showed live on TV around the world.

Melbourne is a nice place and you can always have great10. here.

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：湖北省鄂州市五校2018-2019學(xué)年八年級(jí)上學(xué)期期末聯(lián)考英語(yǔ)試卷 題型：閱讀單選

Joe liked mangoes(芒果) very much.One day ,he decided to get some from the very top of a tree---mangoes which are exposed to the sun most are the sweetest.

So he climbed up to the top,where the branches were thin. He managed to pick up a few sweet reddish fruits. However,when he was ready to climb down, he slipped and started falling towards the ground.Fortunately,he caught the branch as he was falling,and remained helplessly hanging on the tree.He started to call for help.The nearly villagers immediately came with a ladder and sticks, but failed to help him.

Then a well-known sage(智者)arrived.People were very curious to see what he would do,as he was famous in solving almost all people’s problems in the area.

The sage kept silent at first, then he picked up a stone and threw it at the hanging man.

Everybody was surprised. The hanging man started to shout,”Are you crazy?”Do you want me to break my neck?”The sage said nothing,but took another stone and threw it at the man .Joe got angrier,”If I can just come down, I will shoot you!”Everybody was nervous, not knowing what would happen next !The sage just picked another stone and threw it again at Joe,ever more forcefully(猛烈地)! The helpless young man couldn’t be much angrier.

Now something unexpected(意料之外的)happened. That’s what everybody wanted--Joe began to use all his skills and strength and somehow reached the branches which were safe to start going down for him. At that time ,he just set his mind to revenge(報(bào)復(fù))on the sage.

Finally,Joe stood on the ground,safely . And he suddenly realized what the sage did--the sage successfully made him try his best to save himself.

1.Joe was hanging on the tree because .

A. he played some tricks to attract the villagers B. he wanted to pick more mangoes

C. he tried to find who was the wisest there D. the branches on the top were weak

2.The villagers came to .

A. catch the man who stole the mangoes B. find ways to help Joe

C. see how the sage would save the man D. watch the man’s show

3.What can we know from the passage?

A. Joe got angrier and tried to get down himself

B. The sage was so crazy that he wanted to break Joe's neck

C. The villagers used stones to hit the man

D. The sage just wanted to punish the hanging man in fact

4.We can infer()from the passage that .

A. Joe climbed the mango tree that belonged to him

B. the villagers wanted to take revenge on the sage

C. Joe might be very thankful at last

D. the sage kept encouraging ()Joe to use his skills to save himself

5.What is the best title of this passage?

A. Fail to help B. Wisdom works C. anging on the Tree D. Never give up

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：湖北省鄂州市五校2018-2019學(xué)年八年級(jí)上學(xué)期期末聯(lián)考英語(yǔ)試卷 題型：單選題

— Ezhou is trying to build the civilized city(文明城市).

— Yes, when we cross the street we must wait ________ the traffic lights turn green.

A. until B. as long as C. as soon as D. if

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：廣東省2019屆九年級(jí)上學(xué)期期末考試英語(yǔ)試卷 題型：閱讀判斷

Stephen Hawking was born in Oxford, England on 8th January,1942. He was a world-famous British physicist. He also wrote a children’s book with his daughter. He said the book would be “a bit like Harry Potter” but without the magic and explain the wonders of the universe.

He was probably the world’s most famous scientist after Albert Einstein. He was an expert on black holes. He had put his whole life into digging into the beginning (and the end) of the universe. “My goal is simple,” he once said. “It is to completely understand the universe, why it is as it is and why it is there at all.”

He had a bad illness that kept him from moving or talking. For a period of time, he had no way to communicate except by blinking(眨眼).

He often sat on a wheelchair with a computer by his side. To communicate with others, he moved two fingers to control the computer’s mouse. He selected his words from the screen, which were then spoken by a voice synthesizer(合成器).

“I have had the disease for most of my life,” he once said. “Yet it has not stopped me from being successful at my work.”

Although he was such a disabled man, he made great achievements. He had received many awards for his work over the years. These include winning the Albert Einstein Award.

1.In the first paragraph, the book that Stephen Hawking wrote is _______.

A. The same as Harry Potter B. quite different from Harry Potter

C. about the magic D. about science

2.What does the underlined word “selected” mean?

A. chose B. considered C. invented D. prepared

3.What can we learn from the passage?

A. Hawking was more famous than Einstein.

B. Hawking was less famous than Einstein.

C. Both Hawking and Einstein were famous.

D. Neither Hawking nor Einstein was famous.

4.According to the passage, which of the following statements is a fact?

A. Hawking had received many awards except the Albert Einstein Award.

B. The illness stopped Hawking from moving or talking.

C. Hawking communicated with others by speaking.

D. The illness stopped Hawking from being successful.

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源：山東省日照市2019屆九年級(jí)中考總復(fù)習(xí)模擬英語(yǔ)試卷 題型：單選題

--- Alice’s room is tidy, isn't it?

---Yes. She always _____ her toys after playing with them.

A. looks for

B. puts away

C. sweeps away

D. pays for

查看答案和解析>>

同步練習(xí)冊(cè)答案