【题目】He arrived home after the long journey,___________.
A. tired
B. being tired
C. to be tired
D. tiring
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【题目】Personal space is the region surrounding a person _____they regard as psychologically theirs.
A. who B. where C. when D. which
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【题目】WeChat was launched on Jan. 12, 2011, and took more than a year ___【1】____ (draw) 100 million users. By September,2012, it ___【2】____ (reach) the 200 million mark, Tencent said.
“The number of people _____【3】___ (use) WeChat, a voicemessaging service developed by the Internet giant Tencent Holdings, has hit 300 million in less than two years ___【4】____ the service was released,” the Shenzhenbased company said on Wednesday.
“The 300 million number is ___【5】____ milestone for WeChat, and we hope the service will be ready to perform _【6】_____ the global stage in 2013,” Pony Ma, Tencent chairman and chief executive officer, said on his microblog on Wednesday morning.
The function of WeChat is very similar to the text messaging and voice call services____【7】____are provided by telecom carriers. Late last year saw the ___【8】___ (introduce) of an English version of WeChat in a bid to draw more international users. Tencent has released versions in Arabic, Italian, Vietnamese, Japanese and Thai.
Tencent said it is ___【9】____(most) pursuing its expansion plans in emerging Asian markets. It said the company finds_____【10】__easier to reach its goals in such places, in part because they have cultures that are similar to China's.
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【题目】Anyone, whether he is an official or a bus driver, should be ___________ respected.
A. especially
B. equally
C. naturally
D. normally
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【题目】Jim went to answer the phone. ___________, Harry started to prepare lunch.
A. However
B. Nevertheless
C. Besides
D. Meanwhile
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【题目】 Classrooms in some schools are equipped with seats that can be _____ to the height of a person.
A. grown B. adjusted
C. folded D. expanded
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【题目】—You have no idea how to solve this math problem.
—You should try to think about which principle can _______ it.
A. submit to B. apply to
C. commit to D. refer to
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【题目】We all write __________, even when there's not much to say.
A. now and then
B. by and by
C. step by step
D. more or less
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【题目】Thirteen vehicles lined up last March to race across the Mojave Desert, seeking a million in prize money. To win, they had to finish the 142-mile race in less than 10 hours. Teams and watchers knew there might be no winner at all, because these vehicles were missing a key part -drivers.
DARPA, the Defense Advanced Research Projects Agency, organized the race as part of a push to develop robotic vehicles for future battlefields. But the Grand Challenge, as it was called, just proved how difficult it is to get a car to speed across an unfamiliar desert without human guidance. One had its brake lock up in the starting area. Another began by throwing itself onto a wall. Another got tied up by bushes near the road after 1.9 miles.
One turned upside down. One took off in entirely the wrong direction and had to be disabled by remote control. One went a little more than a mile and rushed into a fence; another managed to go for six miles but stuck on a rock. The “winner,” if there was any; reached 7.8 miles before it ran into a long, narrow hole, and the front wheels caught on fire.
“You get a lot of respect for natural abilities of the living things,” says Reinhold Behringer, who helped design two of the car-size vehicles for a company called Sci-Autonics. “Even ants can do all these tasks effortlessly . It’s very hard for us to put these abilities into our machines.”
The robotic vehicles, though with necessary modern equipment such as advanced computers and GPS guidance, had trouble figuring out fast enough the blocks ahead that a two-year-old human recognizes immediately, Sure, that very young child, who has just only learned to walk, may not think to wipe apple juice off her face, but she already knows that when there’s a cookie in the kitchen she has to climb up the table, and that when she gets to the cookie it will taste good. She is more advanced, even months old, than any machine humans have designed.
【1】Watchers doubted if any of the vehicles could finish the race because .
A.they did not have any human guidance
B.the road was not familiar to the drivers
C.the distance was too long for the vehicles
D.the prize money was unattractive to the drivers
【2】DARPA organized the race in order to .
A.raise money for producing more robotic vehicles
B.push the development of vehicle industry
C.train more people to drive in the desert
D.improve the vehicles for future wars
【3】From the passage we know “robotic vehicles” are a kind of machines that .
A.can do effortlessly whatever tasks living thing can
B.can take part in a race across 142 miles with a time limit
C.can show off their ability to turn themselves upside down
D.can move from place to place without being driven by human beings
【4】In the race, the greatest distance one robotic vehicle covered was .
A.about eight miles B.six miles
C.almost two miles D.about one mile
【5】In the last paragraph, the writer implies that there is a
A.for a robotic vehicle to finish a 142-mile race without any difficulties
B.for a little child who has just learned to walk to reach the cookie on the table
C.for a robotic vehicle to deal with a simple problem that a little child can solve
D.for a little child to understand the importance of wiping apple juice off its face
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