The ___ of air also explains why the stars don't seem to twinkle in space.A.absenceB.absentC.presentD.presenceA 句意:空气稀薄也能解释为什么太空中星星似乎不闪烁。absence“缺乏;缺少;缺席”。 相关知识点: 试题来源: 解析 A.absence 首先,句子结构要求空格处填入名词(因冠词"the"后需接名词)。
7. The absence of air explains why the stars do not seem to twinkle in space as they do from the earth. 相关知识点: 试题来源: 解析 答案见上7. as 考查状语从句。句意:空气的缺乏解释了为什 么星星在太空中似乎不像在地球上那样闪烁。as在此 处意为"正如,就像",引导方式状语从句。
because there is no air in space. no air, no sound. no air, no gravity. simple. yes, both of these are wrong. but why? is the gravitational force too weak in space? what is the gravitational force? it is an interaction between objects that have mass. the earth has mass and the ...
aWhy has no one from other planets sent us a message? Have they tried to send information to us? With so many stars in space, are we alone, or is there life on other planets in space? 正在翻译,请等待... [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语...
The problem is that in space, there’s no air for the propeller to push against, so trying to use a propeller there is like standing in a room far away from the wall and pushing your hand out toward nothing like a weirdo, which wouldn’t push you backward at all. Even in the ...
55. The absence of air explains why the stars do not seem to twinkle in space D they do from the earth. A. where B. which C. that D. as 相关知识点: 试题来源: 解析 答案见上55. D。本句考查as引导方式状语的用法,意为“像...一样”。 反馈 ...
The ___ of air also explains why the stars don't seem to twinkle in space.3K8ISNQwy7 A. absence B. absent C. present D. presence 相关知识点: 试题来源: 解析 与解读:A 句意:空气稀薄也能解释为什么太空中星星似乎不闪烁。absence“缺乏;缺少;缺席”。3K8ISNQwy7 反馈 收藏 ...
There's no air to breathe in space and, depending on whether a spacecraft is in or out of the Sun's light, it's either very hot or very cold. Without space suits to protect them outside their spacecraft, astronauts would die. ...
there are several types of chassis designs, such as tower, desktop, rack-mounted, blade, and open-air. each design has its own advantages and disadvantages, and the choice of design depends on factors like size, power consumption, heat dissipation, and ease of maintenance. what is a tower ...
【题目】For centuries, humans have wondered whether there is life on Mars. Why is Mars losing its air? Last week, the question was answered. “The answer, is blowing in the wind,” said Michael Meyer. He is the lead scientist for Mars Exploration Program. ...