What does the underlined word “it" in Paragraph 3 refer to? A. Space. B. The idea. C. Reusing rockets. D. Lowering the cost.3. What do we learn about the New Shepard? A. It will fly to space for the first time. B. It has sent people to space before. C. It will fly ...
2.B.细节理解题.根据最后一段 "If NASA decided to take part in a lunar fly-by mission, then the agency would have privilege可知,该机构拥有特权,因为它具有先进的技术技能.故选B. 3.D.推理判断题.根据文章内容可知,本文报道了美国私人火箭公司SpaceX宣布,两名私人公民已经付钱将被送往月球.该任务计划...
根据文章第一段US private rocket company SpaceX has announced that two private citizens have paid to be sent around the Moon. The mission (任务) is planned for late 2018. SpaceX CEO Elon Musk said, "This presents an opportunity for humans to return to deep space for the first time in ...
Rockets cannot usually be used again after they fall away from the space shuttle (航天飞机). The ability to use 5 again is a big step toward 6 (make) space travel cheaper. It is also needed 7 SpaceX is to reach its goal of sending people to Mars.Blue Origin, another startup rocket...
ThecompanySpaceXhasalreadylaunchedhundredsofitsStar-linksatellites, withplanstoputasmanyas 42,000 of them in Earth orbit. Its goal is to provide high-speed Internet to billions of people. Moving towardthat kind of access is important, but itcomes at a cost. Glittering with reflected sunlight, ...
US private rocket company SpaceX has announced that two private citizens have paid to be sent around the Moon. The mission (任务) is planned for late 2018. SpaceX CEO Elon Musk said, "This presents an opportunity for humans to return to deep space for the first time in 45 years."The...
people Moving toward hatkind of access is important, butt comes ata cost Glttering with reflected sunlight, these firt orbiters, sent up in the past year, arebrighter than 99 percent of the 5, 000 or so other satellites now circling Earth, and obviouslythere are going to be a lot more...
★★★☆The company SpaceX has already launched (发射) hundreds of itsIn response to protests (抗议), SpaceX has promised to address theStarlink satellites, with plans to put as many as 42,000 of them in the Earth'svisibility problem by, for example, applying experimental coatingsorbit(轨道...
DThe company SpaceX has already launched hundreds of itsStarlink satelites, with plans to put as many as 42,000 of theminto the earth's orbt. Its goal is to provide the high-speedInternet for billions of people. Moving toward that kind of accessis important, but it comes at a cost. ...
The company SpaceX has already launched hundreds of its Starlink satellites, with plans to put as many as 42,000 of them in the Earth’s orbit. Its goal is to provide high-speed Internet to billions of people. Moving toward that kind of access is important, but it comes at a cost. ...