二、七选五-|||-根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余-|||-选项。-|||-The space shuttle has been NASA`s manned launch vehicle since the first launch on April-|||-12th,1981. 5 Shuttle crews placed the Hubble Space Telescope into orbit.They also-|||-performed five missions to repair and improve the observatory (天文台).-|||-Shuttles have lifted many scientific instrumen observatories,satellites probes into-|||-space. The largest object ever put into space-the International Space Stati could not have-|||-been built without the shuttle program.-|||- 6 That worries community leaders on the Space Coast-the area around the Kennedy-|||-Space Center in Florida.They say ending the program will cost the area 7,000 jobs.-|||- 7 Jim Lovell flew on Apollo 13.It was launched on April 11th, . But an exp(p)^--|||-sion in space cost him the chance to reach the moon-and nearly cost the crew their lives.Jim-|||-Lovell talked about the current situation at NASA during an event to mark the 40th anniversary of-|||-Apollo 13.-|||-They`re looking at putting money into various programs at NASA but not having any-|||-goals.Not having anything that they`re trying hard for.Not going back to the moon or trying-|||-to go to Mars,or anything else."-|||- 8 On April 15th he gave a speech in which he discussed his goals for space travel.He-|||-defended his decision to end the Constellation program tha NASA began under former Presi--|||-dent George W.Bush.The immediate goal of the program was to return Americans to the-|||-moon by 2020. 9 -|||-A.The aim was to recreate the success of the Apollo program,mainly based on existing-|||-technologies.-|||-B.But after more than 130 flights,the space shuttles will retire this year.-|||-C.The shuttle program has played an important part in expanding space science.-|||-D.Some experienced pilots of the Apollo program are unhappy for other reasons.-|||-E.To make a better plan,President Obama hoped to get the nation`s help.-|||-F.To answer such concerns,President Obama went to the Kennedy Space Center.-|||-G.The shuttle program stopped the work of expanding space science.