題目列表(包括答案和解析)
Always forgetting your long passwords(密碼)? Worried about being hacked(被攻擊)?All these worries will soon become history. Scientists have found that upper-casing(大寫)your password can help you reduce the chance being hacked.
Usually passwords are six letters or more.However,50 percent of people choose a common word or simple key combination for their password. The most used passwords are 123456, abcdef and abc123. In fact, if your passwords are in lower-case(小寫),it will be easily hacked by a hacker. According to a study, it only takes a hacker ten minutes to hack a six-letter password which is in lower-case, but if you make the letter in upper-case, it can take up to ten hours. So if you want to make your account much safer, you should make your password upper-case. Of course, you can also add numbers or symbols to your password. Most of the time a hacker’s computer has to work for 18 days to break a password, but if you choose a nine-letter password that includes numbers and symbols, it can take a hacher’s computer 44,530 years to break it.
【小題1】Scientists have found that your password is much safer for
your account.
A.upper-casing | B.lower-casing |
C.reducing | D.copying |
A.123456 | B.a(chǎn)bcdef | C.a(chǎn)bc123 | D.000000 |
A.10 minutes | B.10 hours |
C.18 days | D.44,530 years |
A.What passwords are. |
B.How a password is hacked. |
C.How to make your password much safer. |
D.Why hackers hack your password. |
閱讀答問。 閱讀下面的材料,然后根據(jù)材料內(nèi)容回答問題。
Annie lived alone in Chicago. One day, she fell down in her bedroom and broke her leg. So she tried to call her friend Lisa. But she dialed(撥打) a wrong number. The call reached Taylor, an 18-year-old girl. She was a college student and she lived hundreds of miles away from Chicago.
At that time Taylor was reading in bed. She thought it was somebody playing a joke. When she was going to hang up the phone, she heard a woman saying “Help! Help! ” From it Taylor thought something bad must have happened to the woman. After she got the woman’s name and address, Taylor called 911 at once. Then she tried to make Annie feel comfortable. She spoke to Annie on the phone till the doctors arrived at Annie’s house. At last Annie was taken to hospital in time.
As soon as Annie felt better, she wrote a letter to Taylor to thank her.
【小題1】Who answered the telephone?
【小題2】How did Taylor help Annie?
【小題3】Why did Annie write the letter to Taylor?
閱讀下面短文,掌握其大意,然后從各題所給的四個選項(xiàng)中選出一個最佳答案。
When I was nine years old, I used to go to the post office with my mother, sending greeting cards to my aunt in Singapore. To me, these trips were really 16 memories. And receiving mail through a mailbox outside our gate was just as exciting. My small hands could 17 get the mail without using a key! I always couldn’t wait to see how much I was 18 . Oh, a letter! From Singapore! I would run back home and show it to my 19 . When there was a letter for me, I wouldn’t run—I would open it right there.
After my family moved back to Singapore, I 20 going to the post office. Years later, my company sent me to Shanghai, and the post office found me again. Two years ago I celebrated my 21 with five friends on top of the mountain in Longsheng, China. At sunrise we 22 up to a beautiful view from the mountain top. Later in the afternoon, as we were going 23 the mountain and returning from the sunrise viewing place, a 24 shop caught our attention. It only sold noodles, coffee and had a China 25 sign.
We asked the owner if she could really send mail. She happily said yes. It seemed hard to believe, 26 we were at the highest top of the mountain. I picked one postcard out and asked my friends to write 27 a birthday note. We bought a stamp, wrote some notes and gave the shop owner the postcard.
Three weeks later, I arrived home and 28 my mailbox: Hello, postcard! I broke into a big smile.
That birthday postcard attracted me again to the post office and all its delights. I had 29 the post office all these years. Today I 30 send postcards to friends. And every time I am at the post office buying stamps, I cannot help but smile—how one postcard will make its way across the world and brighten up someone’s day.
1.A. bad B. poor C. good D. short
2.A. easily B. simply C. hardly D. specially
3.A. weighing B. getting C. selecting D. accepting
4.A. friend B. aunt C. mother D. owner
5.A. enjoyed B. stopped C. hated D. considered
6.A. wedding B. return C. success D. birthday
7.A. broke B. woke C. grew D. stood
8.A. around B. over C. up D. down
9.A. cold B. dirty C. small D. modern
10.A. Traffic B. Life C. Police D. Post
11.A. because B. though C. while D. when
12.A. him B. me C. her D. them
13.A. bought B. repaired C. painted D. opened
14.A. missed B. influenced C. studied D. visited
15.A. just B. seldom C. still D. never
Always forgetting your long passwords(密碼)? Worried about being hacked(被攻擊)?All these worries will soon become history. Scientists have found that upper-casing(大寫)your password can help you reduce the chance being hacked.
Usually passwords are six letters or more.However,50 percent of people choose a common word or simple key combination for their password. The most used passwords are 123456, abcdef and abc123. In fact, if your passwords are in lower-case(小寫),it will be easily hacked by a hacker. According to a study, it only takes a hacker ten minutes to hack a six-letter password which is in lower-case, but if you make the letter in upper-case, it can take up to ten hours. So if you want to make your account much safer, you should make your password upper-case. Of course, you can also add numbers or symbols to your password. Most of the time a hacker’s computer has to work for 18 days to break a password, but if you choose a nine-letter password that includes numbers and symbols, it can take a hacher’s computer 44,530 years to break it.
1.Scientists have found that your password is much safer for
your account.
A.upper-casing |
B.lower-casing |
C.reducing |
D.copying |
2.According to the passage,______is not one of the most used
passwords.
A.123456 |
B.a(chǎn)bcdef |
C.a(chǎn)bc123 |
D.000000 |
3.It takes a hacker___to hack a six-letter password which is in
lower—case.
A.10 minutes |
B.10 hours |
C.18 days |
D.44,530 years |
4.The Chinese meaning of the underlined word is
A.數(shù)字 B.符號 C.色彩 調(diào)料
5.What is the main idea of the passage?
A.What passwords are. |
B.How a password is hacked. |
C.How to make your password much safer. |
D.Why hackers hack your password. |
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