首页
登录
职称英语
On December 25, 2000, many people across North America received a rare Chris
On December 25, 2000, many people across North America received a rare Chris
游客
2024-05-09
13
管理
问题
On December 25, 2000, many people across North America received a rare Christmas treat when the moon passed in front of the sun resulting in a partial solar eclipse.
Solar eclipses occur when the moon【C1】______ between the earth and the sun, and the moon’s shadow covers part of the earth; and a total solar eclipse takes place when the moon’s shadow blocks out the sun【C2】______ . What made this particular solar eclipse unique was that this event has occurred on December twenty-fifth only 30 times【C3】______ the past 5000 years, the last time in 1954.
But people must be exceptionally【C4】______ when attempting to view a solar eclipse. Without taking precautionary【C5】______ ,one can permanently damage the retina of the eye; however, there are several safe methods of【C6】______ this heavenly marvel.
First, you can view a solar eclipse by using eclipse safety glasses for filtering out the sun’s 【C7】______ rays. They should be used when any part of the sun is visible.
Sunglasses can block out some of the sun’s ultraviolet rays, but the results can be very deceptive. The eye’s natural【C8】______ to this darkened state when wearing sunglasses is to make the pupil larger, which allows in more light and can【C9】______ the damage to your eye.
You can watch an eclipse by projecting the sun’s【C10】______ on a piece of paper either by using a telescope, or easier yet, by creating a pinhole in a piece of paper and viewing the result on another piece of paper, thus called a pinhole projector.
[A] lively [I] during
[B] passes [J] intensify
[C] among [K] measures
[D] careful [L] reaction
[E] target [M] investigating
[F] entirely [N] harmful
[G] image [O] poses
[H] witnessing [br] 【C2】
选项
答案
F
解析
该空格所在句不缺少句子成分,因此空格处可能为副词作状语。原句意为“当月亮的阴影——挡住太阳时,全日食就出现了”,因此所选单词应意为“全部地,完全地”,F(完全地)最适合。
转载请注明原文地址:https://tihaiku.com/zcyy/3591157.html
相关试题推荐
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybet
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybet
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybet
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybet
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybet
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybet
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybet
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybet
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybet
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybet
随机试题
In1993,womenheld46percentofthepayingjobsintheUnitedStates.[br]The
Generally,itisonlywhenanimalsaretrappedthatthey______toviolenceinor
空调施工图基本上用粗实线表示供水管用()表示回水管。A.粗虚线 B.细虚线
政府执行相机抉择的财政政策最常使用的手段是( )。A.调整税率 B.改变转移
C
矩阵图可用于()。 A.制定质量改进活动的先后程序B.确定系统产品开发、改
下列选项中,不属于成长型基金与收入型投资基金差异的是()。A.投资目的不同
研究表明:在教师的人格特征中,有两个重要特征对教学效果有显著影响:一是教师的热心
银行承兑汇票的承兑银行,应当按照票面金额向出票人收取()的手续费。A:千分之一
某变电站的35kV母线上装设有一组40Mvar并联电容器组,采用单星形接线,且每
最新回复
(
0
)