3．
China launched its first space lab module Tiangong-1on the evening of September 29，2011，at the Jiuquan Satellite Launch Center in northwestern China．
President Hu Jintao praised the successful launch of China's first space lab module Tiangong-1，and shook hands with the staff of the Beijing Aerospace Flight Control Center．
Premier Wen Jiabao and He Guoqiang also shook hands with the staff at the Jiuquan Satellite Launch Center to congratulate on the success．
Tiangong-1，which is scheduled to dock（与…对接） with the Shenzhou-8spacecraft later this year，will pave the way for building China's first space station．
During its two-year service life，Tiangong-1will mainly conduct four tasks，such as experiments of autonomous rendezvous（自主交会） and docking procedures（程序） with the Shenzhou-8，-9，and-10spacecrafts in the coming launches，aiming to establish the country's first space lab，according to Wu Ping，spokesperson for China's national space administration．
According to the plan for China's manned space program，the Shenzhou-10will be a manned spacecraft，possibly carrying a female Chinese astronaut who will test manual space rendezvous and docking with the Tiangong-1．
Functioning as a target spacecraft，Tiangong-1is expected to become China's first space laboratory when it connects to the above mentioned spaceships．
46．When Tiangong-1was launched，Awere at the Jiuquan Satellite Launch Center．
A．Premier Wen Jiabao and He Guoqiang
B．Premier Wen Jiabao and President Hu Jintao
C．He Guoqiang and President Hu Jintao
D．President Hu Jintao and some staff
47．It is reported that Tiangong-1will conductC tasks during its service life．
A．two
B．three
C．four
D．five
48．The underlined word"establish"here meansB．
A．prepare
B．build
C．discover
D．use
49．TheD spacecraft will be carrying a female Chinese astronaut．
A．Shenzhou-7
B．Shenzhou-8
C．Shenzhou-9
D．Shenzhou-10
50．Which of the following is WRONG according to the passage？D
A．Tiangong-1was launched in the evening．
B．The service life of Tiangong-1is about two years．
C．China expects Tiangong-1to be the first space lab．
D．Tiangong-1will dock with the Shenzhou-8spacecraft next year．
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