题目

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 Chinese astronauts successfully carried out the country's first spacewalk outside their space station—a (significance) milestone in its rapidly expanding space program. The spacewalk is only the second by Chinese astronauts since the Shenzhou 7 manned mission (任务)of 2008, which (conduct) outside a spacecraft. China launched three astronauts into space in June. On Sunday morning, two of them left the core module(核心舱) of the space station called Tiangong. During spacewalk, they tested new-generation spacesuits, fit equipment, and tested the station's robotic arm. According to the plan, there (be) another spacewalk during the astronauts' orbital flight, , lasting three months, will be China's longest crewed mission. As part of its plans to have a (full) crewed space station by December 2022, China launched the first core module, known Tianhe or Harmony of the Heavens, on April29. The module is the largest spacecraft developed by China to date, with a total length of 16. 6meters and a (live) space of 50 cubic meters. While China is not considering foreign participation in the space station's (develop) now, non-Chinese astronauts will certainly be welcomed in the years (come). 答案：【1】significant【2】was conducted【3】the【4】will be【5】which【6】fully【7】as【8】living【9】development【10】to come

查看本题答案和解析