[解析]
(1)B.细节理解题。根据第三段The three arrived at the station in October,2021 for about a six﹣month stay,mainly aimed to prepare the main Tianhe module(舱)for the arrival of two additional modules named Mengtian and Wentian ahead of completion by the end of 2022.(这三位航天员于2021年10月抵达太空站,在那里停留了约6个月,主要目的是为2022年底之前完工的另外两艘太空船"梦天"号和"问天"号做准备。)可知,中国3为航天员的任务是为空间站的扩建做准备。故选B。
(2)A.词义猜测题。根据第三段The crew is assessing living conditions in the Tianhe module and conducting experiments in space medicine and other areas.(航天员们正在asessing天河舱的生活条件,并在太空医学和其他领域进行实验。)可知,assessing是动词assess的现在分词形式,描述了航天员们在天河舱的活动,因为他们是第一次在那样的条件下生活,所以要对那里的生活条件进行评估。A.Judging判断;B.Updating评估;C.Adjusting调整;D.Repairing修理。故选A。
(3)D.推理判断题。根据最后一段The mission of Shenzhou﹣13 is China's longest one since it first put a human in space in 2003,becoming only the third county to do so after Russia and the US.China has also pushed ahead with unmanned missions,and is lunar exploration program generated media buzz when its Yutu 2 rover sent back pictures of what was described by some as a"mystery hut",but most likely only was a rock of some sort.The rover is the first to be placed on the little﹣explored far side of the moon,while China's Chang'e 5 probe returned lunar rocks to Earth for the first time since the 1970s.A Chinese rover,meanwhile,is searching for evidence of life on Mars.(神舟十三号是中国自2003年首次将人送入太空以来执行任务时间最长的一次,成为继俄罗斯和美国之后第三个这样做的国家。中国也在推进无人驾驶任务,月球探测计划也在媒体上引起轰动,当时宇宙2号火星探测器发回了一些被称为"神秘小屋"的照片,但很可能只是某种岩石。月球车是第一个被放置在探索甚少的月球远端的探测器,而中国的端娥五号探测器自上世纪70年代以来首次将月球岩石送回地球。与此同时,一辆中国探测车正在火星上寻找生命迹象。)可知,这一段主要讲述中国在太空探索方面取得的成就。故选D。
(4)C.标题判断题。根据第一段Chinese astronauts sent back a science lesson from the country's under construction space station.(中国航天员从国家正在建设的空间站返回了一堂科学课。)可知,这篇文章是新闻报道,这句话是这篇文章的中心句。所以这篇文章主要讲述中国航天员从空间站返回一堂科学课的情况。Chinese astronauts give a science lesson from the space station(中国宇航员在空间站上科学课)是最好的标题。故选C。