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The Mangrove Rivulus, a kind of little fish, lives in small pools of water. When their living place dries up, they live. on the land, said Scott Taylor, a researcher in Florida.
The fish can grow as large as three inches. They group together and breathe air through their skin before they can find water again.
The new scientific discovery came during a trip.
"We were travelling for fun. and one day I kicked over a log (圆木) and the fish came out," Taylor told reporters by telephone. He said he would make his study on the fish known to the public in an American magazine early next year.
In lab tests, Taylor said he found the fish can live up to 66 days out of water without eating.
Some other fish can live out of water for a short period of time. The walking catfish found in Southeast Asia can stay on land for hours at a time, while lungfish(肺鱼) found in Australia, Africa and South America can live out of water, but only in a not active(活波的)way. But no other known fish can be out of water as long as the Mangrove Rivulus and keep active, according to Patricia Wright, a biologist at a Canadian University.
More studies of the fish may tell how animals changed over time.
"These animals live in conditions similar to those millions of years ago, when animals began to move from water onto land," Wright said.
【小题1】The Mangrove Rivulus is a type of fish that_________.
| A．lives on land in Africa |
| B．can stay alive for months out of water |
| C．prefers living in dry places |
| D．is the longest living fish on earth |
A, Scott Taylor. B. Some reporters.
C. Patricia Wright. D. Scientists from Europe.
【小题3】According to the passage, lungfish can___________.
| A．breathe through its skin | B．be found in Asia |
| C．keep alive out of water | D．keep alive and walk on land |
| A．The Mangrove Rivulus fish can live out of water as long as other animals if it has something to eat. |
| B．Millions of years ago, animals began to live onto land from water. |
| C．Lungfish found in Australia, Africa and South America can live out of water in a not active way. |
| D．The walking catfish found in Southeast Asia can stay on land for hours at a time. |
| A．ft was made by Scott Taylor, a researcher in New york. |
| B．It was helped by an American magazine. |
| C．It was helped by Patricia Wright. |
| D．It was made by a researcher while travelling. |
We use passwords(密码)to keep our personal information secret and safe, but some passwords we use may not be as reliable as we think.
Splash Data, a computer security company, recently released a list of the 25 worst passwords of 2011.This list is based on the research of hackers’ files containing stolen passwords. According to the list, “password” is the worst and most common password. Many others on the list are numbers in order either forward (for example,1234) or backward. Letters on the keyboard in order, such as “qwerty” are also common, as well as some first names and animals. “Hackers can easily break into many accounts(账户) just by trying common passwords again and again, ” said Morgan Slain, CEO of Splash Data.
How can you make a strong password? It should be eight characters or more, with a mix of letters, numbers and symbols. One way to create a long and easy-to-remember password is to separate short words with spaces or numbers. Having safe passwords is necessary for surfing the Internet safely. But it’s not the only thing you must do to keep safety online. Here are some other web safety tips:
●Never give out information that will allow someone to find you offline. That includes your full name, address and phone number.
●Don’t include your real name as part of your online screen name.
●Never meet people you met on the Internet in person. If you insist on breaking this rule, meet in a very public place and consider taking an adult with you.
Top 10 worst passwords: 1.password 2. 123456 3. 12345678 4. qwerty 5. abc123 6. monkey 7. 1234567 8. letmein 9.trustno1 10. dragon
1.What is “Splash Data”?
A．A company. B．A TV station. C．A scientist. D．An American.
2.The underlined word hacker means “ ” in Chinese.
A．流浪者 B．黑客 C．银行职员 D．软件设计师
3.Which is the worst and most common password?
A．abc123. B．monkey. C．password. D．123456.
4.You can’t put your ______ on the Internet.
A．address B．phone number C．name D．A,B and C
5.Which of the following is NOT true?
A．Animal names can be very safe passwords.
B．You can meet people you met on the Internet in person in a very public place.
C．You can’t use your real names as part of your online screen name.
D．It’s necessary to have a password for surfing the Internet safely.
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【小题1】Lily had a good time during her stay in Beijing. (改为否定句)
Lily ________ ________a good time during her stay in Beijing.
【小题2】We have a class meeting once a week. (对划线部分提问)
_________ _________ do you have a class meeting?
【小题3】Many countries make laws to stop smoking in public. (改为被动语态)
Laws _________ _________ by many countries to stop smoking in public.
【小题4】The river pollution is serious in our country today. (改为感叹句)
_________ _________ the river pollution is in our country today!
【小题5】Robert is so short that he can’t yet reach the pears on the table. (改为简单句)
Robert isn’t _________ _________ to reach the pears on the table.
【小题6】I can’t give you better advice than that. (保持原句意思)
I can _________ give you _________ advice.
【小题7】Bill didn’t go to bed until he finished writing the letter at 11:45 last night. (保持原句意思)
Bill _________ _________until he finished writing the letter at 11:45 last night. 查看习题详情和答案>>
用括号中所给单词的适当形式完成下列句子
1.The students took the PISA test in _________ subjects - reading, maths and science. (third)
2.Board games are more and more popular among . (teenager)
3.I liked to walk in fields on days and to see my footprints left behind. (snow)
4. people often begin their conversations by talking about the weather. (Britain)
5.The news about education has attracted the public attention . . (recent)
6.The World Chocolate Park showed a of many kinds of chocolates. (collect)
7.To improve your writing skills, you'd better a habit of reading. (development)
8.Don't tell lies. Nobody likes those people. (honest)
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完形填空 (30分)
阅读下面短文，从短文后所给的四个选项中，选出可以填入空白处的最佳选项。
A
In today’s world, pollution has become a serious problem. 51. we know, air pollution is harmful to our health. However, not all people know that noise 52 also a kind of pollution and is harmful to human health.
People who work and live in noisy conditions may become 53 . For example, many of the workers who 54. newspapers and books become deaf. Quite a few people living near 55 also have hearing lose. Recently it was reported that many teenagers in America 56 hear better than the old do, because these young people always listen to 57 pop music. Making a loud noise in public is also a kind of pollution, it not only 58 others but also does great harm to hearing. Cars and machines also produce 59 noise. It makes people feel uncomfortable and unpleasant. 60 , it can cause them to be sick or deaf.Nowadays many countries are trying to solve all sorts of environmental problems, including noise pollution.
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