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
62
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] 【C15】
选项
A、earth
B、atmosphere
C、space
D、environment
答案
C
解析
句意理解。本句意为射线是探险者在太空遇见的已知的最大危险。由句中核心词汇radiation和explorers可推测,该空应填space。其他选项从搭配和语意上来说都不符合要求。
转载请注明原文地址:https://tihaiku.com/zcyy/2837427.html
相关试题推荐
Thisbookisaboutthelifeofa__________(中国当代著名作家).famousChinesecontempora
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
Whentimeswerehard,whitementhoughtthatChineseAmericanswereresponsible
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
TheChinesefairystoryFlyingtotheMoonnowturnstobetrue,withChina【
随机试题
[originaltext]I’mgladtoseesomanyofyouhere.We’vebecomereallyalar
下列属于有线介质的是()。A.双绞线 B.卫星 C.同轴电缆
“安代舞”是朝鲜族舞蹈所特有的。()
某企业信息化建设过程中,决策层要对实施计划方案进行择优和取舍,为保证决策的科学性
人源化抗体是指A、人-鼠嵌合抗体B、小分子抗体C、抗体融合蛋白D、双特异性
长期使用可出现狼疮样反应的药物是A.利多卡因B.维拉帕米C.普鲁卡因胺D.奎尼丁
操作风险可以分为由人员、系统、流程和外部事件所引发的四类风险,并由此分为七种表现
提出了“泛智教育”思想,探讨“把一切事物教给一切人类的全部艺术”的著作是().
关于股指期货套利行为描述错误的是()。A.不承担价格变动风险 B.提高了
()是指企业在日常活动中发生的、会导致所有者权益减少的、与向所有者分配利润无关
最新回复
(
0
)