A.combined | B.contributed | C.doubled | D.produced |
A.Egyptians had probably travelled to China to buy silk |
B.new light can now be thrown on ancient trading practices |
C.historical research often achieves fascinating results |
D.trade along the Silk Road began earlier than once thought |
A.began a million years ago |
B.primarily benefited the Egyptians |
C.originated in the 2nd century BC |
D.extended human migration into eastern Asia |
A.he discovered the Silk Road |
B.he helped establish East-West trade |
C.he travelled as far as Afghanistan |
D.he brought back knowledge of Rome to the emperor |
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A.educate the public on protecting the environment |
B.discuss global warming and other environmental problems |
C.explain ways for producing freshwater to save the environment |
D.learn about renewable energy sources that protect the environment |
A.Global Gaia Network | B.Clean Energy Agency |
C.Green Earth Foundation | D.International Environment Fund |
A.Hall 1 | B.Hall 2 | C.Hall 3 | D.Hall 4 |
A.Read, Realize and Remember | B.Reduce, Reuse and Recycle |
C.Green Earth Foundation | D.Global Gaia Network |
A.It will last a week and the halls will be open 11 hours a day. |
B.You can send an email to Mrs.Daisy Soh for more information. |
C.Each hall charges the same amount of money as the other. |
D.Lectures in Hall 1 will be given by university students. |
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A.logic | B.mental faculties | C.learning ability | D.working-memory capacity |
A.IQ scores | B.IQ test | C.rational thinking | D.cognitive biases |
A.the former president George W. Bush has a high IQ score |
B.many Americans think their former president George W. Bush is smart |
C.David Perkins believe that a person’s IQ doesn’t need to be developed |
D.Keith Stanovich looked into the “clever fools” phenomenon 5 years ago |
A.Those who have high IQ do better than those who don’t in everything. |
B.People with high IQ scores must be good decision-makers |
C.People with high IQ scores are always smart in every way. |
D.Why a high IQ doesn’t mean you’re smart |
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A.focus on where crimes take place | B.seek help from local people |
C.depend on new mathematical tools | D.check who are on the crime scene |
A.uses math to increase the speed of calculation |
B.tells the identity of a criminal in a certain area |
C.shows changes in criminals’ patterns |
D.provides the crime records of a given city |
A.is better at finding gold than others |
B.is the only one who uses math to make money |
C.knows more criminals than other mathematicians |
D.knows best how to use math to help solve crimes |
A.Criminals live near where crimes occur. |
B.Math could help police find criminals. |
C.Crime records could be used to fight crime. |
D.Computer software works in preventing crimes. |
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A.Smiles Turn away Colds |
B.An Interesting Way to Beat Colds |
C.Be Outgoing and Optimistic to Fight Colds |
D.What Matters More,Personality or Emotions? |
A.didn’t catch colds as often |
B.developed cold symptoms more slowly |
C.were less likely to have cold symptoms detected |
D.were less likely to feel cold symptoms |
A.Personality. | B.Selfesteem(自尊). | C.Emotions. | D.Attitudes. |
A.something that causes cold |
B.something that results in cold |
C.signs that something exists,especially something bad |
D.changes in your body or mind that show that you are not healthy |
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Apple iPad2 Size: 9.7 inch screen, 8.8mm thick Weight: 601g (Wi-Fi only version) Battery life: 10 hours of heavy use Price: a base price of $499(3,278yuan) Available(可使用的): March 11, 2011 in the US Strength: over 65,000 *apps that are fit for the iPad Weakness: lack of USB port and flash support |
Motorola Xoom Size: 10.1 inch screen, 13mm thick Weight: 730g Battery life: 8hours of heavy use Price: $800(5,252RMByuan) Available: now Strength: great multi-tasking feature, better cameras than the iPad2 Weakness: limited options(選擇權(quán))of apps |
HP Touchpad Size: 9.7 inch screen, 13mm thick Weight: 740g Battery life: 8hours of heavy use Price: not yet announced Available: summer 2011 Strength: killer software features, including a virtual(虛擬的) keyboard which comes in four sizes Weakness: lack of a rear-mounted(后置式) camera which would allow users to get images and photos |
BlackBerry PlayBook Size: 7- inch screen, 10mm thick Weight: 400g Battery life: 8hours of heavy use Price: not yet announced Available: Spring 2011 Strength: business-oriented, powerful multitasker, excellent data security(安全) Weakness: Some features require users to have a Black-Berry phone |
A.Apple iPad 2 | B.Motorola Xoom | C.HP Touchpad | D.BlackBerry PlayBook |
A.Apple iPad 2 | B.Motorola Xroom | C.None of the four | D.Any of the four |
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A.2010: The year technology developed quickly. |
B.2010: The year technology sped up our life pace. |
C.2010: The year technology replaced talking. |
D.2010: The year technology made communicating easier. |
A.the new technology always influences people’s life in a positive way |
B.the new technology is so tempting that she could even put her daughter and husband behind |
C.it is encouraging to see progress on the new technology every year |
D.people are too dependent on the new technology to let go |
A.The wide use of mobile devices has nothing to do with the ‘traditional social fabric’. |
B.Mobile devices play a less important part in American life. |
C.Mobile devices create a lot of divided attention and social anxiety. |
D.Many analysts speak highly of the wide popularity of mobile devices. |
A.Something must be done to get connection with people in reality again· |
B.Using mobile services can help people get connection with each other. |
C.Mobile services have a strong impact on people’s life. |
D.The connection with people can happen naturally. |
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A.The secret of ancient animals’ deaths. |
B.The preparation for a future fossil exhibition. |
C.A great discovery of fossils. |
D.The history of San Timoteo Canyon. |
A.fossils were discovered in the canyon for the first time. |
B.the canyon in ancient times was quite different. |
C.more research work will be carried on in the canyon. |
D.the river water helped to protect the animal fossils. |
A.a(chǎn)re far older | B.include more species |
C.a(chǎn)re better preserved | D.make experts more confused |
A.All of them are of new species. |
B.Some of them have been destroyed |
C.They were looked for under experts’ guidance. |
D.They will be on show in the near future. |
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