首页
登录
职称英语
Many years ago people thought the earth was flat. They believed that the sky
Many years ago people thought the earth was flat. They believed that the sky
游客
2025-04-15
28
管理
问题
Many years ago people thought the earth was flat. They believed that the sky【C1】______a big upside-down bowl and that the sun, moon, and stars were lamps hanging from the top of the bowl. Later, people【C2】______better. They found out that the earth【C3】______round.
We call the study of the skies and the planets astronomy, 【C4】______we call the watchers of the skies astronomer. Early astronomers thought the earth was the center of【C5】______They thought the heavens spun【C6】______the earth. Later, they changed their【C7】______. They knew the earth was not the center. They believed that the earth and the【C8】______planets spin around the sun. Today we know this is true.
Ancient scientists studied the skies【C9】______simple instruments. The first person【C10】______a telescope was named Galileo. In 1610【C11】______four moons around the planet Jupiter. Today【C12】______use more complex equipment. Some of these measure the brightness of light. 【C13】______break lights up into different colors. Radio telescopes make stars and planets【C14】______far closer than Galileo’s telescope could.
Early astronomers【C15】______five planets in the sky. Besides Earth, they knew about mercury, Venus, Mars, Jupiter, and Saturn. In 1781 a seventh one was discovered and named Uranus. Years later, astronomers found another planet and called it Neptune. The ninth planet to be found is called Pluto. It was not【C16】______until 1930.
Today scientists can【C17】______almost anywhere. They have reached the heavens with their spacecraft. In 1959, a spacecraft【C18】______took pictures of the dark side of the moon. The years later a spacecraft landed two Americans on the moon. Other important journeys into space【C19】______. Who knows? Maybe【C20】______human beings will live on another planet. Maybe you will be one of them. [br] 【C5】
选项
A、anything
B、nothing
C、something
D、everything
答案
D
解析
早期的天文学家认为地球是宇宙万物的中心。A选项用于否定句中,B选项表否定,C选项表示“某物”,D选项表示“所有事物”,符合原文意思。因此,D选项正确。
转载请注明原文地址:https://tihaiku.com/zcyy/4038030.html
相关试题推荐
Oldpeoplearealwayssayingthattheyoungpeoplearenot【61】theywere.Th
Oldpeoplearealwayssayingthattheyoungpeoplearenot【61】theywere.Th
Oldpeoplearealwayssayingthattheyoungpeoplearenot【61】theywere.Th
Oldpeoplearealwayssayingthattheyoungpeoplearenot【61】theywere.Th
Oldpeoplearealwayssayingthattheyoungpeoplearenot【61】theywere.Th
Oldpeoplearealwayssayingthattheyoungpeoplearenot【61】theywere.Th
Oldpeoplearealwayssayingthattheyoungpeoplearenot【61】theywere.Th
Oldpeoplearealwayssayingthattheyoungpeoplearenot【61】theywere.Th
Oldpeoplearealwayssayingthattheyoungpeoplearenot【61】theywere.Th
Oldpeoplearealwayssayingthattheyoungpeoplearenot【61】theywere.Th
随机试题
HealthCenter29AdelaideSt.E.Toronto,O
PassageOne[br]InPara.4,whatdoesRalphmeanbysaying"putthingsstraight
DearNancy,NowI’msendingyouacopyofthefinalprogramscheduleoftheC
Bornfromtheaccessibilityofmassairtravel,moderninternationaltourism
A.2V B.4V C.6V D.8V
()的典型应用是各种图形界面应用。A.面向对象模式 B.管道/过滤器模式
以下关于上市公司发行股份购买资产说法正确的有( )A.上市公司破产重整的重大资
A.怕冷,四肢不温 B.神疲乏力,少气懒言 C.形体消瘦,口燥咽干 D.头
绩效考核的目的中不包括()。A:提高企业的核心竞争力 B:帮助员工了解自身目前
工程监理企业从事建设工程监理活动时,应遵循“守法、诚信、公平、科学”的准则,体现
最新回复
(
0
)