完成短文。 The carrier rocket sent a Shenzhou-ll spacecraft(航天器)with astronauts Chen Dong and Jing Haipeng into space. The rocket was fired from the Jiuquan Satellite Launch Center{#blank#}1{#/blank#}the Gobi desert. After two days in Earth's orbit, the spacecraft{#blank#}2{#/blank#}(be) to link up with China's space laboratory, called the Tiankong-2,{#blank#}3{#/blank#}name means“Heavenly Palace 2". The lab {#blank#}4{#/blank#} (place) into orbit last month.
The astronauts will spend 30 days on the Tiankong-2. They plan to perform {#blank#}5{#/blank#} (science) and spacecraft-related experiments and test systems for a future space station. In{#blank#}6{#/blank#}words, the Tiankong
2 laboratory will not be part of that space station. Its main goal is to practice the techniques and the{#blank#}7{#/blank#}(technology) that they will be {#blank#}8{#/blank#}(use)to build and operate that final space station.
It is predicted that the Chinese space station will be built mostly by machine. China hopes to have the space station{#blank#}9{#/blank#} (complete) by 2022 and it is expected to operate for at least 10 years.
China also plans to land a probe(探测器)on Mars by 2020. Until now, China has completed a total of five manned space missions. And, in 2003,it {#blank#}10{#/blank#} (successful)landed a probe on the moon.