首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Many years ago people thought the earth was flat. They believed that the sky【C1】______a big upside-down bowl and that the sun, m
Many years ago people thought the earth was flat. They believed that the sky【C1】______a big upside-down bowl and that the sun, m
admin
2014-01-13
28
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.
【C16】
选项
A、trapped
B、served
C、discovered
D、settled
答案
C
解析
同71题。空白处说“直到1930年天文学家才发现它。”A选项意为“诱捕、使陷入困境”;B选项意为“招待、服务”;C选项意为“发现”;D:选项意为“定居、解决”,故C为正确选项。
转载请注明原文地址:https://kaotiyun.com/show/4zQO777K
0
考博英语
相关试题推荐
Formostkindsofactivities,alargegroupofpeoplecanaccomplishmoreandhavemorefunthanonepersonalone.Forexample,
Formostkindsofactivities,alargegroupofpeoplecanaccomplishmoreandhavemorefunthanonepersonalone.Forexample,
Formostkindsofactivities,alargegroupofpeoplecanaccomplishmoreandhavemorefunthanonepersonalone.Forexample,
Formostkindsofactivities,alargegroupofpeoplecanaccomplishmoreandhavemorefunthanonepersonalone.Forexample,
Oneofthe______ofthetrainingprogramisthatitenablestheyoungpeopletobebettercandidatesforemployment.
LastyearFrenchdriverskilled【56】than5,000peopleontheroadsforthefirsttimeindecades.Creditgoeslargely【57】the1
LastyearFrenchdriverskilled【56】than5,000peopleontheroadsforthefirsttimeindecades.Creditgoeslargely【57】the1
LastyearFrenchdriverskilled【56】than5,000peopleontheroadsforthefirsttimeindecades.Creditgoeslargely【57】the1
LastyearFrenchdriverskilled【56】than5,000peopleontheroadsforthefirsttimeindecades.Creditgoeslargely【57】the1
随机试题
班主任如何做好针对后进生的教育转化工作?
患者男性,27岁,气急,乏力,心绞痛,活动后晕厥,听诊胸骨左缘可闻及收缩中晚期粗糙的吹风样杂音,临床诊断为肥厚型梗阻性心肌病。下列哪些疾病属于继发性心肌病
具有宣肺利咽,解毒透疹功效的是
下列对积证描述不正确的是
衡量企业偿付借款利息能力的指标是()。
青岛位于山东半岛,在山东的经济地位处于前茅,对全国的影响力较强。作为一个沿海的旅游城市,酒店业比较发达,数量众多。但整体管理水平并不高,很多酒店目前还都处在手工操作的阶段。部分客户对酒店管理系统持有排斥态度,认为没有必要在这块进行投资。但随着市场环境的变化
前期物业服务合同中应该包括的有关物业的承接查验的内容有()。
“如果说自然界是服从运动的规律的,那么精神界就是不折不扣地服从利益的规律的。利益在世界上是一个强有力的巫师,它在一切生灵的眼前改变了一切事物的形式。利益是我们的唯一动力”。对于上述说法,下列理解正确的是
设y=y(χ)过原点,在原点处的切线平行于直线y=2χ+1,又y=y(χ)满足微分方程y〞-6y′+9y=e3χ,则y(χ)=_______.
BasedinNewYork,SpringInc.designsandmanufacturesanupdatedcollectionofwomen’scasual(休闲的)sportswearunderthe"SPRI
最新回复
(
0
)