首页
登录
职称英语
The Chinese fairy story Flying to the Moon now turns to be true, with China【
The Chinese fairy story Flying to the Moon now turns to be true, with China【
游客
2023-07-14
15
管理
问题
The Chinese fairy story Flying to the Moon now turns to be true, with China【C1】______the country’s second unmanned lunar probe, Chang’e 2 on 1st October, 2010. This mission marked another step for China’s pursuit of moon exploration. In fact, people all over the world have been and are【C2】______developing technologies for the exploration of deep space and the peaceful use of outer space, as space is actually a dangerous place, not only because of meteors (流 星) but also because of rays from the sun and other stars. The atmosphere again acts【C3】______our protective blanket on【C4】______. Light gets through, and this is essential【C5】______plants to make the food which we【C6】______. Heat,【C7】______, makes our environments tolerable and some ultraviolet rays (紫外线的) penetrate the【C8】______. Cosmic (宇宙的) rays of various kinds come【C9】______the air from outer space, but【C10】______quantities of radiation from the sun are screened off.【C11】______men leave the atmosphere they are【C12】______to this radiation; 【C13】______their spacesuits or the walls of their spacecraft, if they are inside, 【C14】______prevent a lot of radiation damage. Radiation is the greatest known danger to explorers in【C15】______. Doses of radiation are measured in【C16】______called "rents (雷目)". We all【C17】______radiation here on earth from the sun, from cosmic rays and from radioactive minerals. The "【C18】______" dose of radiation that we receive each year is about two millirems; it【C19】______according to where you live, and this is a very rough estimate. Scientists have reason to think that a man can【C20】______far more radiation than without being damaged; the figure of 60 rems has been agreed. [br] 【C14】
选项
A、get
B、make
C、have
D、do
答案
D
解析
语法知识。句中prevent一词为动词原形,选项中的get,make,have后面均需要加上不定式to,因此不符合该句语法,只有do符合语法要求。“do(does/did)+动词原形”的结构表示强调谓语动作。
转载请注明原文地址:https://tihaiku.com/zcyy/2837426.html
相关试题推荐
TheChinesepeoplewillneveryield______anymilitarythreatfromanycountry.
Moreoftenthannot,itisdifficultto______theexactmeaningofaChineseidi
Thisbookisaboutthelifeofa__________(中国当代著名作家).famousChinesecontempora
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Chinesestudentsfoundithardforthemto______(适应美国课堂的氛围).Adapttotheatmosph
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
随机试题
Whyaresomanypeoplesoafraidoffailure?Quitesimplybecausenoonetell
Letthatberealized.我们必须让这个目标得以实现。
CopingwithClimateChangeWhatwehavel
Byeducation,Imeantheinfluenceoftheenvironmentupontheindividualto
下列关于行业财务风险指标的表述,正确的有( )。A.行业净资产收益率是衡量行业
二恶英化合物是一类稳定的亲脂性固体物质,分解温度大于( )A.500 B
期货公司及其从业人员与客户之间可能发生利益冲突的,应当遵循客户()的原则予以处
相关研究发现,每天睡眠不足7小时的人普遍比睡眠时间更长的人胖。这是因为睡眠不足影
近年来,随着汽车销量的上升,洗车行业迅速发展。由于洗车业务不需要复杂的技术和大量
下列关于初步可行性研究的说法,错误的是()。A.初步可行性研究的重点是研究论证项
最新回复
(
0
)