Should manned space travel be beamed because it is too dangerous?

Should manned space travel be beamed because it is too dangerous? 英翻译中 In the early 21st century ,China sucessfully launched the manned space ship . when did you know that China would send manned spacecraft into space? More _____ satellites must be sent up _____ space.A.man-made; into B.manned-made;inC.man-made; in D.manned-made; into the year before 是什么意思? ?例：He retired in 1991 ,the year brfore China 's manned space programme was started .问 :China 's manned space programme was started in ( )A 1991 .B 1992 .C 2003(解释下,谢谢!) 英语翻译exploring spacecsa,the chinese space agency,has developed the highly successful long march rocket series.the rocket are safe and have been used to send satellites into space and to prepare for the nation's first manned space flightsolving China has become the ------- country------- can send up manned spacecraft into space选择：A.second,who B.third,that C.fourth,which D.first who China is reported ----another manned spaceship into space in the March of next yearA.launching B.to launchC,to be launchingD,to have launched选什么?为什么? space space 11:The trip has ______ his memory of his childhood.A:brought about B:brought back C:brought in D:brought forth12:Shenzhou 7,China ’s third manned spaceship,was launched into_______ space accomplishing________ most ambitious and risky task:spacewalk _______China’s first manned space flight took place?A.When it was that B.Was it when that C.When was it that D.Was it that whenTHE ANSWER IS CWHY DO NOT YOU CHOOSE A China sent up Shenzhou V manned spacship into space successfully, which shows science and technology___ rapidly in China.A. having been developing B. developsC. is developing D. has developed为什么不选A啊 So far,China's sent up four manned speaceships into space.,A,So it is.B,So has it.C,So isit.D.So it has.选哪个为什么? 英语science and technology 作主语China sent up ShenzhouVII manned spaceship into space successfully,which shows science and technology _____ rapidly in China.A.have been developing B.develops C.is developing D.has developed我不明白为什么 China sent up Shenzhou V manned spacship into space successfully,which shows science and technology___ rapidly in China.A.have been developing B.develops C.is developing D.has developed为什么不选A At 9 am.October 15,2003,the____Yang Liwei flew into the space aboard the manned spacecraft designed and produced by China.1.38 years old2.38-year-old问：1为什么不对?然后再请问这个句子完整的翻译? China's third manned spaceship, shenzhou seven, was successfully launched into space, _____ the Chinese nation's dream of walking in space. A. realizing B to be realized C realized D being realized 选哪个,请具体解释下,谢谢注