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1、.单句填空。1.I can d my roommates by their footsteps. 2.After the boats motor failed, they were at the of the weather. 3.This movie takes a brand-new to discussing life and death. 4.Without permission he （莽撞地） rushed into the meeting room, which annoyed the manager.5.We knew that Mary would do well, but
2、she has succeeded beyond e . 6.Police arrested several men, who were later r .7.My passport is v for 10 years.8.He to have discovered a new planet.9.He hates to follow the track in whatever he does and always surprises people with very original creation ideas.10.People always a Hangzhou with the Wes
3、t Lake. .阅读理解A space ambassador could be appointed by the United Nations to act as the first point of contact for aliens trying to communicate with Earth.Mazlan Othman, a Malaysian astrophysicist(天体物理学家), is set to be tasked with coordinating（协调） humanitys response if and when extraterrestrials（天外来客
4、） make contact.Aliens who landed on earth and asked: “Take me to your leader” would be directed to Mrs. Othman.She will set out the details of her proposed new role at a Royal Society conference in Buckinghamshire next week.The 58-year-old is expected to tell delegates that the proposal has been pro
5、mpted by the recent discovery of hundreds of planets orbiting other stars, which is thought to make the discovery of extraterrestrial life more probable than ever before.Mrs. Othman is currently head of the UNs little known Office for Outer Space Affairs (Unoosa).In a recent talk to fellow scientist
6、s, she said: “The continued search for extraterrestrial communication, by several institutes, sustains the hope that some day human kind will receive signals from extraterrestrials.”“When we do, we should have in place a coordinated response that takes into account all the sensitivities related to t
7、he subject. The UN is a ready-made mechanism for such coordination.”Opinion is divided about how future extraterrestrial visitors should be greeted. Under the Outer Space Treaty on 1967, which Unoosa oversees, UN members agreed to protect Earth against contamination(污染) by alien species by “steriliz
8、ing” them.Mrs. Othman is understood to support a more tolerant approach.But Professor Stephen Hawking has warned that alien interlopers（闯入者） should be treated with caution.He said: “I imagine they might exist in massive ships, having used up all the resources from their home planet. The outcome for
9、us would be much as when Christopher Columbus first landed in America, which didnt turn out very well for the Native Americans.”1.The United Nations appointed Mazlan Othman as a space ambassador_.A.to talk to fellow scientists receiving signals from extraterrestrialsB.to protect the earth against po
10、llution by alien speciesC.to make contact with aliens trying to communicate with the earthD.to settle UN members argument about signals from extraterrestrials2.The leader whom aliens ask to be taken to will be_.A.Stephen Hawking, a British professorB.Mazlan Othman, head of the Royal SocietyC.BanKiMo
11、on, the general secretary of the UND.Mrs.Othman, head of the UNs Office for Outer Space Affairs3.The underlined words in the ninth paragraph could best be replaced by_.A.making them unable to produce childrenB.keeping them out of touch with the earthC.stopping them away from outer spaceD.making them
12、 unable to explore space4.What Stephen Hawking said suggests that_.A.alien invaders(侵略者) should be attacked fiercelyB.we should greet Future extraterrestrial visitors warmlyC.alien invaders will help humans on earth explore resourcesD.we should take care to treat alien interlopersWhat do you do when
13、 you need to look something up? Go to the library? Open an encyclopedia（百科全书）? Click onto the Internet? These days, most people go straight to Wikipedia, the online encyclopedia. But how reliable is it?There is no denying the popularity and usefulness of Wikipedia. It attracts as many as 78 million
14、visitors every month, and the site is available in more than 270 different languages. Its one of the most comprehensive resources available, which includes almost all details, facts and information that maybe concerned. Its got much more information than an ordinary encyclopedia. The site is updated
15、 on a daily basis by thousands of people around the world. Anyone with an Internet connection can log on and edit the contents or add a new page. And you dont need any formal training.Of course, there are some controls. Wikipedia has a team of more than 1,500 administrators who check for false information. And main targets for harmful comments（such as politicians） are off-limits to public editing. But with more than 16 million articles to keep an eye on, it isnt easy. So, while Wikipedia benefits from being constantly updated with information from all over the world, its also
