These issues will serve as fundament to lay down the drive factors which would enable a country to access space in an independent way through small satellites. Capabilities, limitations, prospects, and advantages and disadvantages are discussed in detail. A rationale for the development of small ...
More than 30,000 pieces of space debris are larger than 10 cm. There are also millions of smaller pieces. The pieces can be very 27 because they are moving so fast. They could 28 hit (碰撞) other active satellites. The pieces could bring danger to 29 in spaceships, too. In the ...
The Silk Road spirit is consistent with the ideal of “all states joining together in harmony and peace” long upheld by the Chinese nation, with the Chinese people’s principles of amity, good neighborliness and “helping others to succeed while seeking our own success”, and with the call ...
根据“Man-made satellites … into space by many countries.”可知,人造卫星已经被很多国家发射到了太空。表示过去发生的事情对现在造成影响要用现在完成时;“Man-made satellites”与“send up”之间是被动关系,故要用现在完成时的被动语态,即have/has+been+过去分词;主语“Man-made satellites”是名词复数,动词...
Man-made satellites have been sent up into space by many countries. These satellites go round the earth and help us to learn more about the earth the weather and other things. Most countries use these satellites to send and receive messages. For example with their help China can send its ...
Man-made satellites have been sent up into space by many countries. These satellites go round the earth and help us to learn more about the earth, the weather and other things. Most countries use these satellites to sent and receive messages. For example, with their help China can send the...
百度试题 结果1 题目Many countries have sent up man-made satellites into space __ China. A. include B. including C. included D. includes 相关知识点: 试题来源: 解析 B. includin 反馈 收藏
aMan-made satellites have been sent up into space by many countries. These satellites go round the earth and help us to learn more about the earth, the weather and other things. Most countries use these satellites to sent and receive messages. For example, with their help China can send th...
【题目】Man-made satellites have beeninto space by many countries. 相关知识点: 试题来源: 解析 【解析】A:错误sent awayB:错误sent forC:错误sent toD:正确send up satellites"发射卫星”,本句是现在完成时的被动语态;send away"解雇";send for“派人去请”;send..to“把某人派往某地"。 反馈 收藏 ...
Many man-made satellites ___ up into space by many countries. [ ] A. sent B. have sentC. has been sent D. have been sent