The first satellite in space, which was launched by the Soviet Union, opened a new era of exploration. The first satellite in space that was small and simple had a great impact. A. which was launched by the Soviet Union B. that was small and simple 相关知识点: 试题来源: 解析 A ...
The first satellite ___ into space in 1957. A. was sent B. is sent C. will be sent D. has been sent 相关知识点: 试题来源: 解析 A。本题考查一般过去时的被动语态,1957 年是过去的时间,所以用 was sent。is sent 是一般现在时的被动语态,will be sent 是将来时的被动语态,has been s...
**1. 第1题分析:** 原文:In 1957, Russia sent the first satellite into space. The ___ of the satellite was Sputnik. It was as long as a basketball, but it was the start of the space race! 翻译:1957年,俄罗斯将第一颗卫星送入太空。这颗卫星的 ___ 是斯普特尼克。它只有一只篮球那么长...
Since humans sent the first satellite(卫星) to space in the 1950s,scientists have been studying an important topic—how to grow food in space if humans live there one day.Here are some examples. 1982:Researchers from the Soviet Union grew Arabidopsisthaliana(拟南芥) on the Salyut7 space sta...
根据“While there have been other rice experiments in space, this one is the first of its kind to produce the complete life cycle of a plant ”可知虽然在太空中也有其他的水稻实验,但这是同类实验中第一个产生植物完整生命周期的水稻。因此区别在于经历完整的生命周期。故选B。 (4)题详解: 细节...
Since humans sent the first satellite (卫星) to space in the 1950s, scientists have been studying an important topic: how to grow food in space. A recent experiment (实验) at the Tiangong space station makes a big step forward. Chinese astronauts have successfully grown rice seedlings (幼苗...
第三段While there have been other rice experiments in space,this one is the first of its kind to produce the complete life cycle of a plant – it begins with a seed and ends with a mature plant producing new seeds.(虽然在太空中还有其他水稻实验,但这是同类实验中第一次产生植物的完整生命...
the first satellite ___ the first manned space flight ___ the first spacewalk ___ the first manned Moon landing ___ the first space station ___ the first unmanned spacecraft on the Moon's far side ___ 相关知识点: 试题来源:
The launch of the first satellite into space was a major milestone achieved ___ great perseverance. A. with B. by C. under D. in 相关知识点: 试题来源: 解析 A。“with great perseverance”表示“带着极大的毅力”。“by”强调方式;“under”一般表示在某种条件下;“in”不恰当。反馈 ...
The first satellite was launched into space ___ the 1950s. A. in B. on C. at D. during 相关知识点: 试题来源: 解析 D。“during”表示“在……期间”,符合语境;“in”后接年份、月份等;“on”后接具体的某一天;“at”后接具体的时间点。反馈 ...