Space exploration began in 1957, when the first artificial satellite was launched by the Soviet Union. Yuri Gagarin 1 became_ (become) the first person to orbit(环绕) the earth in 1961.In 1969, Neil Armstrong was the first person to walk 2 on the moon. Since then, space exploration has...
The Space Age _A(开始于)___in October 1957 when the first artificial satellite was launched by the former Soviet Union.A.initiated B.originates C.embarked D.commencedA bad cold ___B_(迫使)__ him to his bed last week.A.restricted B.confined C.controlled D.restrainedIn the early 1990s...
The Space Age commenced in October 1957 when the first ___ satellite was launched by the Soviet Union.A、beneficial B、artificial C、commercial D、financial 第4题 (4) 分 Neil Postman did not write the essay “Euphemism” on the of the moment.A、point B、spur C、last D、present 第5题 ...
d) it was introduced into the usa to kill harmful weeds. 12. a) people will have to rely on kudzu for a living. b) they will soon be overgrown with kudzu. c) they will become too hard to plough. d) people will find it hard to protect the soil. 13. a) the farmers there have...
Also, her father, an electrical engineer, was very important to her. By 1972, Norwood, a Massachusetts Institute of Technology graduate and engineer at Hughes Aircraft Company, had designed a vital component of Landsat 1, the first satellite launched into space to monitor Earth's surface. ...
1 英语六级选择题不懂,谢谢commencedThe Space Age ___ in October 1957 when the first artificial satellite was launched by the Soviet Union.A) initiated B) originated C) embarked D) commenced 2The Space Age ___ in October 1957 when the first artificial satellite was launched by the Soviet...
百度试题 结果1 题目 1. When was the first satellite launched into space? A. In 1961. B. In 1957.B C. In 1977. D. In 1969. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
When was the solar panel invented? What is the photovoltaic effect? Why are solar panels used in outer space? Editorial Contributors George Duval George Duval is a writer and expert in sustainability and environmental studies. After graduating with a B.A. in Sustainability from Florida International...
"It was only a ___ of time,"said Mark Serreze,director of the National Snow and Ice Data Center. His study showed the ice caps were ___ to disappear within five years.Their disappearance was ___ last month,when NASA satellite images of the area showed a complete lack of snow and ic...
When the Soviet Union before the United States successfully launches satellite news reached the United States, this is a shock for the Americans. Some e 翻译结果4复制译文编辑译文朗读译文返回顶部 When the Soviet Union as early as in the United States satellite successfully launched the news reached...