首页
登录
职称英语
The space age officially began on October 4, 1957,【B1】the Soviet Union launc
The space age officially began on October 4, 1957,【B1】the Soviet Union launc
游客
2024-03-05
1
管理
问题
The space age officially began on October 4, 1957,【B1】the Soviet Union launched the modest 185-pound Sputnik I, the first【B2】satellite to orbit the earth. The following month, Russians successfully launched the 1100 pound Sputnik II,【B3】carried into space the globe, a female dog【B4】Laika, who suffocated(窒息) on the sixth day of the【B5】because of a failure【B6】the internal temperature of the craft. But the satellite itself orbited the earth for 162 days and【B7】on re-entering the earth’s atmosphere. The United States,【B8】second fiddle(小提琴) to its superpower【B9】, orbited its first satellite, Explorer 1, on January 31, 1958. It was a lightweight, 18-pound craft, carrying not animals but【B10】instruments to study the【B11】hands of energy in space【B12】the Van Allen radiation belts. Within【B13】fifteen years man had gone to the moon, searching beneath its【B14】and dusty soil for【B15】of life(there were【B16】), and begun probing more distant【B17】of the solar system?【B18】physicist, Werner Von Braun, played a crucial role in this odyssey(史诗), especially in【B19】the bold scheme for the 1969【B20】of three Americans on the moon.
选项
A、and
B、when
C、then
D、before
答案
B
解析
正是由于苏联发射了第一颗人造:卫星,太空时代才开始。理解这点后,我们不难选择B。定语从句,when在从句中作时间状语。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3506436.html
相关试题推荐
随机试题
Livingnearairportsmightnotonlyleadtoresidentssufferingsleeplessni
Youshouldspendabout20minutesonthistask.Thebargraphbelowshow
Itiscommonlybelievedthatthemorecomplicatedanimalsdevelopedfromthesim
Leadershipishardlyanewareaofresearch,ofcourse.Foryears,academics
[originaltext]TherearethreegroupsofEnglishlearners:beginners,interm
[originaltext]TheheadoftheUnitedStatescentralbanksayssheexpectst
A.横目斜视 B.昏睡露睛 C.瞳孔散大 D.目睛微定 E.双睑下垂肝风
金融工具,是在金融交易活动中产生的,能够证明金融交易金额、期限、价格的书面文件,
期货属于场内交易产品,而期权既有场内交易,又有场外交易。( )
某汽车生产企业为增值税一般纳税人,2020年12月份外购A型汽车轮胎一批,取得增
最新回复
(
0
)