根据最后一段的“Today, only three countries have finished spacewalks independently. They are Russia, the United States and China”(今天,只有三个国家独立完成了太空行走。他们是俄罗斯、美国和中国)可知,中国能独立地完成太空行走,排除A;根据第二段的“
根据第二段的"Whenastronautsgoonspacewalks,theywearspacesuitstokeepthemselvessafe...Tokeeptheastronautsandthespacecraftsafe,theastronautsmustleaveandgobacktothespacecraftthrough a specialdoor.Whenon a spacewalk,astronautsusesafetytetherstostayclosetotheirspacecraft.Tethersarelikeropes,connectthespacewalkerswiththe...
Jeremy Hsu
What does the underlined word “spacesuits” mean inWhat does the underlined word “spacesuits” mean in Chinese? A. 太空服 B. 防爆服 C. 雨衣 答案: A. 太空服©2022 Baidu |由 百度智能云 提供计算服务 | 使用百度前必读 | 文库协议 | 网站地图 | 百度营销 ...
根据Today, only three countries have finished spacewalks independently. They are Russia, the United States and China可知,中国能独立地完成太空行走,排除A;根据Inside spacesuits, astronauts have the oxygen(氧气) they need to breathe and the water they need to drink可知,宇航员能够在航天服里呼吸和...
When on a spacewalk.astronauts use safety tethers to stay clo seto their spacecraft. Tethers are like ropes.and connect the spacewalkers with the space craft. They keep astronauts from floating away into space. Another way astronaut stay safe during spacewalks is by wearing a SAFER. The SAFER...
Any time an astronaut gets out of a spacecraft while in space,it is called a spacewalk.Astronauts go on spacewalks for many reasons.For example,experiments can be placed on the outside of a spacecraft.This lets ...
So we may be trapped in a circumstance where we find ourselves having difficulty in communicating with the elderly, which is called generation gap. Nevertheless, reluctant as we are, we're supposed to seek approaches to break the wall and...
Today, only three countries have finished spacewalks independently. They are Russia, the United States and China. The first person to go on a spacewalk in the world was Alexei Leonov from Russia. Zhai Zhigang is the first Chinese astronaut to go on a spacewalk. The world record of spacewalk...
Any time an astronaut gets out of a spacecraft (航天器) while in space,it is called a spacewalk.Astronauts go on spacewalks for many reasons.For example,experiments can be placed on the outside of a spacecraft.This lets scientists learn how being in space affects ( 影响)...