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
70
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:http://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
Issuesconcerninghumanlearningareamongthecriticaltopicsineducation
ThereisanimmediacyaboutCharlesDickens’slife,justasthereisabouth
下列关于水喷雾灭火系统维护管理的说法,正确的是()。A.消防水池、消防水箱
建筑高度、设防烈度、场地类别等均相同的两幢建筑,一个采用框架结构体系,另一个采用
诊断深部脓肿,应首选的方法是( )。A.点压法 B.按触法 C.透光法
血厥实证常用治疗方药为A.导痰汤 B.四味回阳饮 C.通关散 D.羚角钩藤
TRH兴奋试验阳性的是A.地方性甲状腺肿B.库欣综合征C.垂体性甲减D.甲状腺功
下列关于中年阶段的特征的说法中,正确的有()。A.女性的更年期早于男性 B.
食品行业是关系人民群众切身需求与经济社会和谐稳定的民生行业。但目前来看,我国食品
患者,女性,42岁,发现舌背红色斑块1年,病损时常改变位置,无自觉症状,偶有刺激
最新回复
(
0
)