题目内容

8.Mum ______ to us,"Be quiet!Your little sister's sleeping."(  )
A.whisperedB.shoutedC.explainedD.replied

分析 妈妈小声对我们说,"安静点,你的小妹妹正在睡觉".

解答 答案:A,考查动词的辨析,whisper"小声说",shout"大声喊",explain"解释",reply"回复",根据语境"小妹妹正在睡觉",因此要小声说,故答案为A.

点评 考查动词的辨析,在平时的学习中要对词汇进行积累.

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4.To create"Washed Up Transforming a Trashed Landscape",Alejandro Duran gathers plastic trash that is washed up on the beaches of Sian Ka'an,Mexico's largest federallyprotected reserve.The site is also a UNESCO World Heritage site.
Yet every day,plastic pollution from around the world is washed up onto its shores.These materials inspired Duran to create a series of environmental art pieces,which he records with photos and videos.
I had the opportunity to speak with Duran.Duran was born in Mexico City and is now based in Brooklyn.He said that he's been collecting materials and creating photographs for the past five years,and the work is ongoing."The project will tell me when to stop".
Each piece can convey a vastly different mood,from the calm greens of soda bottles to the playful rainbows of toothbrushes."I'm making art,"said Duran."It comes from the context and my moods.You can't say,only make something dark."The work reflects and plays with natural forms,exploring how humans influence the environment.The colorful and playful images can be much attentiongrabbing."Beauty is a hook (钩子) to arrest people's attention."said Duran.
In addition to promoting awareness about the plastic pollution problem,Duran is also involved in educational programs and helps to organize beach cleanups.He has also made a study of the types of products that are washed ashore in Sian Ka'an,and has identified objects from 50different countries.Although there's no way to know where or how these objects were dropped into the sea,their labels show the global nature of the problem.
32.What does Alejandro Duran do with the trash?C
A.He moves it away.
B.He collects and burns it.
C.He turns it into a form of art.
D.He puts it together for people to see.
33.What does Alejandro Duran mean by saying"The project will tell me when to stop"?C
A.He will stop the project soon.
B.It's hard to carry on the project.
C.He will go on with the project.
D.The project is important to him.
34.Alejandro Duran runs the project mainly toD.
A.recycle the trash
B.change his career
C.clean up the beach
D.raise public awareness about pollution
35.What is the text mainly about?B
A.Plastic pollution in the ocean.
B.An artist creating environmental art.
C.The global nature of the pollution problem.
D.Mexico's largest federallyprotected reserve.
20.As more people use smart phones to pay bills and store personal information,strict password security has become more important than ever.A new study shows that free-form gestures-sweeping fingers in shapes across the screen of a smart phone-can be used to unlock phones.These gestures are less likely to be observed and reproduced by others than traditional typed passwords.
"All that it takes to steal a password is a quick eye,"said one of the researchers of the study."With all the personal information we have on our phones today,improving their security is becoming increasingly necessary."In developing a secure solution to this problem,the researchers studied the practicality of using free-form gestures.With the ability to create any shape in any size and location on the screen,the gestures were popular as passwords.Since users create them without following a template,the researchers predicted these gestures would allow for greater complexity.
The researchers carried out a create-test-retest experiment where 63people were asked to create a gesture,recall it,and recall it again 10days later.The gestures were captured on a recognizer system designed by the team.Using this data,they tested the complexity and accuracy of each gesture using information theory.The result of their analysis is that people are favorable to use free-form gestures as passwords.
To put their analysis into practice,the researchers then had seven students in computer science and engineering,each with considerable experience with touchscreens(触摸屏),attempt to steal a free-form gesture password by observing a phone user secretly.None of them were able to copy the gestures with enough accuracy.The gestures appear to be extremely powerful against attacks.
Though the testing is in its early stage and widespread adaptation of this technology is not yet clear,the research team plans to continue to analyze the security and management of free-form passwords in the future.They believe this is the first study to explore free-form gestures as passwords.They will soon publish their findings.

32.What can we learn about free-form gestures?A
A.They are improving mobile security in a way.
B.Users will have to make use of simple gestures.
C.They will never be copied by others.
D.Users must move their fingers in fixed shapes.
33.The experiment in paragraph 4is to testD of free-form gestures.
A.template      
B.application        
C.accuracy         
D.security
34.According to the text,the researchers think thatB.
A.it is easy to steal any password with a quick eye
B.better ways of setting passwords should be developed
C.people had better not use smart phones to pay bills
D.personal information should not be stored in a phone
35.The main purpose of the text is toD.
A.advise people to use free-form gestures 
B.discuss whether smart phones are safe
C.talk about the practicality of passwords 
D.introduce the study of a new password.
17.Sina Weibo,one of the country's most popular micro-blogging sites,has launched a paid service.For a 10 yuan ($ l.57)monthly fee,users get a membership on their Sina Weibo accounts.
   According to Xu Yuanyuan,a member of the marketing team at Sina,the move is to guarantee a more convenient and safer environment for users.But despite the company's efforts to increase income,it seems that most of its 300 million users still prefer the free version.
   The premium membership(高级会员) plans,announced by the company on Monday,brought about negative comments from its users.
"The current service is good enough for me",said a Beijing-based micro-blogger."I don't really need those value-added services and it might be a waste of money.I might consider paying for it if some more features are added."
Dong Xu,an analyst with consulting firm Analysys International,said that Sina shouldn't expect a great increase in income brought by the new services.The free services are enough for most users,Dong said."The company has been making attempts at different profit models since last year.A potential source of income could be gaming.Games and advertisements are so far the two biggest sources of income."she said.
Other micro-blogging service providers have not yet followed suit.Fang Gang,vice-president of rival Sohu,said via e-mail on Tuesday that Sohu's micro-blogging service will never charge users."It's good news for us.Users can come to our website if they have to pay for services (at Sina)."Fang said.

56.Most of Sina Weibo's usersB.
A.aren't satisfied with its free version
B.show no interest in its paid services 
C.are looking forward to new services
D.think highly of its new paid version
57.What's Dong Xu's attitude towards Sina Weibo's new services increasing income?A
A.Negative.
B.Confident.
C.Indifferent.
D.Positive.
58.Why did Fang Gang consider Sina Weibo's charging its users good news?C
A.Because Sina will make more money.
B.Because Sina will lose the whole Weibo market.
C.Because Sohu will attract more users.
D.Because Sohu will offer free services.
59.What can be inferred from the text?D
A.Most of Weibo websites will charge their users.
B.Sina Weibo's new move will be a great success.
C.Sina Weibo's users will enjoy more services.
D.A large number of Weibo users like playing games.
60.What can be the best title for the text?B
A.Sina Weibo Faces Great Challenges
B.Sina Weibo Launches Paid Services
C.Sina Weibo Expects Income Increase
D.Sina Weibo Becomes More Convenient.
18.It is one of the greatest mysteries of nature.In case you haven't noticed,all living things follow very definite,individual rhythms,all as regular as a clock,but what makes them regular?
    Though many scientists maintain that these rhythms are the result of some outside force like gravity or radiation or both,the results of most scientific researches agree with other scientists who believe that each living thing has its own built-in biological"time clock."
    Take the mystery of migration for example.Scientists can't really explain why many species of birds migrate in the autumn even though the temperature is still summery.The birds just seem to snub the comfortable weather that they are having.When a certain time comes,they travel south by the thousand.In spring time,they migrate northwards even though there probably is snow still covering the ground when they finally arrive.Something said"go,"and they did.
    Animals that hibernate (冬眠) are obeying individual time clocks,too.When their clock indicates the time to take a winter's nap,they do,and nothing can stop them.At a certain time in the spring,they wake up and come out regardless of the weather outside.
    Plants appear to have yearly rhythms,such as the sprouting of seeds,and they also have daily rhythms.Notice sometimes that plants raise their leaves in daylight and lower them at night.
    If you live along the California coast,you can easily observe a demonstration of this mysterious clock functioning regularly.There,from February to September,the highest tides occur exactly every fourteen and four-fifths days,and during these high tides,but at no other time,small silvery fish called grunions surf-ride a wave to the beach.There the female deposits her eggs in the sand and the male fertilizes them; then both hitch a wave-ride back to the sea.Exactly fourteen and four-fifths days later,never before or after,the tiny eggs hatch,and the high tide carries the new babies out to sea.

72.According to the passage,the mysterious rhythms result fromD.
   A.the influence of gravity on living species
   B.the effect of radiation on living species
   C.the influence of a mysterious outer force on living species
   D.the internal mechanism inside the living species
73.The underlined word"snub"in the third paragraph probably meansB.
   A.fight          B.ignore          C.symbolize         D.criticize
74.Which of the following statements is NOT TRUE?D
   A.Hibernating animals are obeying an internal time clock.
   B.The positioning of the leaves of some plants is due to the daily rhythms.
   C.The internal clock functioning is demonstrated in the reproducing habits of grunions.
   D.The yearly hibernation is more because of the weather influence than the biological functioning.
75.The passage is mainly aboutA.
   A.the rhythms of life              
   B.the reasons of mysterious hibernation
   C.strange behaviors of species     
   D.the timing for different events in the world of species.

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