由文章第四段There have been a few cases of spacecraft that have been "lost in space".For example,the Apollo 10 released the descent(下降) module while they were orbiting the Moon.The module did not have any astronauts inside and was "lost" although it was released in such a way that ...
There have been a few cases of spacecraft that have been “lost in space”. For example, the Apollo 10 released the descent (下降) module while they were orbiting the Moon. The module did not have any astronauts inside and was “lost” although it was released in such a way that it ...
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...
1.【答案】already【解析】already“已经”用于肯定句句中或句末;yet“已经,还”用于疑问句和否定句句末;just"“刚刚”用于句中。本题为肯定句,结合题干含义以及but they have not been to any otherplanets"但他们还没有去过任何其它的行星”判断,本题答案是already。题干含义为“宇航员已经去过月球”。2....
百度试题 结果1 题目Astronauts have ___ been to the moon but they have not been to any other planets.相关知识点: 试题来源: 解析 A A 反馈 收藏
解析 Astronauts have not found any life on other planets 【详解】 根据单词和标点可知,本句是陈述句,时态为现在完成时。astronauts作主语; have not found作谓语;any life作宾语;on other planets作状语。故填Astronauts have not found any life on other planets“宇航员还没有在其他星球上发现任何生命”。
根据倒数第二段“Astronauts put on their spacesuits several hours before a spacewalk…they go through the first door and lock it tight behind them. They can then open the second door without any air getting out of the spaceship…”可知,宇航员进行太空漫步,首先在漫步之前穿好宇航...
have theyD. do they 4Astronauts haven't found any living things on the moon,a.haven't theyb.have theyc.don't theyd.do they 5)17. Astronauts(宇航员) haven't found any living things on the moon,?A. haven't theyB. don't theyC. have theyD. do they ...
17,whichisconsideredas 6 successofChinaspaceindustry.DuringtheirstayinTiangong, theastronautscarriedouttwospacewalksanddidanumberof 7 (science)experiments. Thethree-monthShenzhou XIImissionispartoftheTiangongprogram, 8 aimsto completethestationinlow-Earthorbitbeforetheendof2022. Thenextcrewedspaceflight—Shenzh...
aWe are not accepting any more members from your region or country at this time 正在翻译,请等待... [translate] a高级绿茶 High-quality green tea[translate] aObviously,exploring space involves a high degree of few astronauts have been lost their lives. 明显地,探索的空间涉及高度少量宇航员丢失了...