A.fraud on the Internet | B.computer hackers |
C.illegal web site | D.shopping on line |
A.1 | B.2 | C.3 | D.4 |
A.You can go to the website and buy it without doubt. |
B.Send your credit card information as soon as the web asks you to do so. |
C.Give your credit card information over telephone if you have doubt. |
D.Don’t pay money until your TV set is sent to you. |
A.Computer hackers sold the retailer’s information to a web site to get money. |
B.A reliable website offers you an advanced secure system. |
C.You can depend on the password to protect your information. |
D.The on-line credit-card thieves stole your credit-card and paid with it. |
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A.why we cry when we are hurt |
B.why we cough when we suffer from a cold |
C.why we smile when we see someone else smile |
D.why we yawn when we see someone else stay up late |
A.set off | B.cut off | C.built up | D.broken up |
A.relate to human behavior and interaction |
B.control human physical actions and feelings |
C.result in bad behavior and social disorders |
D.determine our knowledge and language abilities |
A.Ways to find mirror neurons. |
B.Problems of mirror neurons. |
C.Existence of mirror neurons. |
D.Functions of mirror neurons. |
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A.it’s environmentally friendly |
B.it makes up for the lack of electricity |
C.it’s a new idea and attracts people’s attention |
D.it brings convenience to electric vehicle users |
A.to recharge the electric vehicles takes a long time |
B.the Solar PlugIn Station will come into use in 2016 |
C.the Solar PlugIn Station has gone on show internationally |
D.Chicago is promoting the use of electric vehicles |
A.2. | B.3. | C.4. | D.5. |
A.more visitors will come to Chicago |
B.the citizens of Chicago will be able to go to work faster |
C.more space for electric vehicles will be needed |
D.the cost of electric vehicles will be lower than traditional cars |
A.Chicago Will Soon Be Full of Electric Vehicles |
B.Chicago Calls on People to Buy Electric Vehicles |
C.Chicago Fights for Its Bid to Host the 2016 Olympics |
D.Chicago Shows Its Solarpowered Recharging Stations |
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A.Edison’s building | B.a(chǎn) small part of the city |
C.the whole city | D.the world |
A.set up generators | B.lay wires | C.built city streets | D.build a power house |
A.set up the electric system |
B.produce several large generators |
C.dig the deep trenches |
D.lay fourteen miles of wire into the trench |
A.excited | B.frightened | C.uneasy | D.light-hearted |
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A.She gives them to her child to play with. |
B.She treats them as dolls. |
C.She makes useful tools from them. |
D.She treats them as weapons. |
A.Sex difference. | B.Socialization. |
C.Environment. | D.Cultural difference. |
A.socialization has nothing to do with human’s choice of playthings |
B.sex difference is the only factor in human’s choice of playthings |
C.the biology factor may also influence toy choice |
D.people choose different toys in different cultures |
A.both humans and chimpanzees choose their playthings due to sex difference |
B.different factors cause humans and chimpanzees to choose different playthings |
C.only female chimpanzees have playthings |
D.chimpanzees usually choose playthings for their children |
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A.baby boys are much more active |
B.baby girls like bright colours more |
C.their parents treat them differently |
D.there is a natural difference between them |
A.a(chǎn) ball | B.a(chǎn) teddy | C.a(chǎn) car | D.a(chǎn) doll |
A.Nine-month-old baby boys don’t play with dolls at all. |
B.Two-year-old baby girls sometimes play with cars and balls. |
C.The older the babies are, the more obvious their preference is. |
D.Parents should teach their babies to share each other’s toys. |
A.Adults purposely influence their babies’ preference. |
B.Babies’ preference isn’t affected by social surroundings. |
C.Baby boys preferring to moving toys will be good at hunting. |
D.Baby girls preferring warmer colors will be warm-hearted. |
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A.The absence of blackboard in classroom. |
B.The use of new technologies in teaching. |
C.The lack of practice in handwriting. |
D.The popular use of smartphones. |
A.focused on the difference between writing by hand and on a computer. |
B.indicated that students prefer to write with a pen and paper. |
C.found that good essays are made up of long sentences. |
D.discussed the importance of writing speed. |
A.Spelling improves one’s memory of words. |
B.Spelling ability is closely related to writing ability. |
C.Spelling benefits the translation from words into ideas. |
D.Spelling slows down finding exact words to express ideas. |
A.Window. | B.Soul | C.Picture. | D.Imagination. |
A.Computers can help people with their choice of words. |
B.Spell checks can take the place of spelling teaching. |
C.Handwriting still has a place in today’s classrooms. |
D.Functional spelling ability develops fast in the fifth grade. |
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A.Plants’ reaction to weather could have damaging effects on ecosystem. |
B.The increasing speed of flowering is beyond scientists’ expectation. |
C.Climate change leads to the change of food production patterns. |
D.Food chains have been seriously damaged because of weather. |
A.plants’ flowering is 8.5 times faster than leafing |
B.there are 1,634 plant species on the four continents |
C.scientists should improve the design of the experiments |
D.the experiments failed to predict how plants react to climate change |
A.they can prove the climate change clearly |
B.they are very important in the food chains |
C.they play a leading role in reducing global warming |
D.they are growing and flowering much faster than before |
A.It has risen nearly 0.2℃ since 1979. |
B.Its change will lead to weather extremes. |
C.It is 0.8℃ higher in 1979 than that of 1990. |
D.It needs to be controlled within 2℃ in this century. |
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A.To express his doubts. |
B.To compare different ideas. |
C.To introduce points for discussion. |
D.To describe the conditions on Earth. |
A.Humans are nature-born to do so. |
B.Humans have the tendency to fight. |
C.Humans may find new sources of food. |
D.Humans don't like to stay in the same place. |
A.survival chances | B.potential resources |
C.unexpected benefits | D.physical possessions |
A.Our genetic makeup. | B.Resources on the earth. |
C.The adaptive ability of humans. | D.By-products in space exploration. |
A.Space exploration has created many wonders. |
B.Space exploration provided the best value for money. |
C.Space exploration can benefit science and technology. |
D.The Exploration may help us avoid potential problems on Earth. |
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