A. China sent the first man-made earth satellite. B. China has progressed greatly in astronautics. C. Chang’e 4 consists of two lunar rovers. D. Chang’e 4 is another space station built by China. 相关知识点: 试题来源: 解析 B [推理判断题。根据对China Space Day部分的整体理解,尤其是...
When the first man-made satellite up into the space? A. was; sent B. is; sent C. was; send D. being;send 查看完整题目与答案 质子交换膜燃料电池在正极生成的是[_]。 A. 氧气; B. 水; C. 氢气; D. 一氧化碳; 查看完整题目与答案 有以下程序#include ;#include ;struct ...
The Soviet Union launched the first manmade satellite in 1957. Sputnik I was about the size of a basketball and transmitted a simple Morse code signal over and over. In contrast, modern satellites can receive and retransmit thousands of signals simultaneously, from simple digital data to complex ...
The space race was a bitter competition that took place in the late 1950s to the mid-1970s, between the U.S. and the Soviet Union.
Sputnik was the world 's first manmade satellite to make it into outer space. This was such a frightening time for the United States. The United States did not know if it was sent to space for a nuclear launch or 960 Words 4 Pages Decent Essays Read More The Moon Landing Was Not a...
Which satellite was launched by the USSR in 1957? A. Shenzhou 5. B. the Sputnik 1. C. Voyager 1. D. the USSR's Soyuz 11.2. Who was the first person in the world to go into space? A. Yang Liwei. B. Neil Armstrong. C. Yuri Gagarin. D. Liu Yang.3. Who was the first man ...
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1957年10月4日,“旅gravity. On 4 October 1957, the Sputnik 1 satellite was伴一号”人造卫星在苏联发射升空,并成功环launched by the USSR and successfully orbited around绕地球运行。之后,苏联专注于载人太空飞Earth. Afterwards, the USSR focused on sending people行。1961年4月12日,尤里·加加林成为世...
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In the past years Chinese people have made hard and determined efforts to realize the dream their ancestors had for thousands of years. After China’s first satellite into the Earth’s orbit in 1970 came four flights of unmanned Shenzhou missions(飞行) from 1999 to 2002. The country carried ...