If light traveled instantaneously, the instant of observation on earth would coincide precisely with the instant the explosion was recorded by a hypothetical observer on Mars. However, there is definite experimental evidence that light takes time to travel, so the terrestrial observer must in fact “...
I am an astronaut. Last year, I take the spacecraft spent two weeks to reach Mars. In Mars, I found there are dust everywhere. But to reach Mars, I still feel very excited. Then I used the camera and a lot of pictures on Mars. Then I rode the spacecraft back to Earth. ...
Human beings still can't reach Mars for___ time being.( )A. a B. an C. the D. / 相关知识点: 试题来源: 解析 答案C,for the time being为固定,译为"暂时",因为现在人类的科学技术水平有限,目前一段时间并不能实现登陆火星,但以后应该会的,所以用"暂时". 人类暂时还无法到达火星....
百度试题 结果1 题目7. Human beings still can’t reach Mars for___ time being. A. a B. an C. the D. / 相关知识点: 试题来源: 解析 【正确答案】C【题目解析】for the time being 固定搭配 ,暂时
It is true that human beings still can’t reach Mars . 相关知识点: 试题来源: 解析 ①. at ②. present 【详解】 句意:的确,人类暂时还不能到达火星。for the time being表示“暂时,目前”,与at present同义。故填at;present。反馈 收藏
Human beings still can't reach Mars for___ time being.( ) A. a B. an C. the D. / 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 答案C,for the time being为固定,译为"暂时",因为现在人类的科学技术水平有限,目前一段时间并不能实现登陆火星,但以后应该会的,所以用"...
百度试题 结果1 题目Human beings still can’t reach Mars for___ time being. A. a B. an C. the D. / 相关知识点: 试题来源: 解析 [正确答案]C [题目解析]violin是西洋乐器所以用the
By the time we reach Mars, scientists here on Earth ___ a lot of new discoveries. A. will have made B. will make C. make D. made 相关知识点: 试题来源: 解析 A。“by the time + 一般现在时”,主句用将来完成时。这里“by the time we reach Mars”表示到我们到达火星的时候,地球上的...
百度试题 结果1 题目27. Human beings still can’t reach Mars for ___ time being. A) a B) an C) the D) / 相关知识点: 试题来源: 解析 27. C
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