首页
登录
职称英语
Space is a dangerous place, not only because of meteors(流星)but also because
Space is a dangerous place, not only because of meteors(流星)but also because
游客
2023-08-29
55
管理
问题
Space is a dangerous place, not only because of meteors(流星)but also because of rays from the sun and other stars. The【B1】______ again acts as our protective blanket on earth. Light gets through, and this is【B2】______ for plants to make the food which we eat. Heat, too, makes our environment【B3】______. Various kinds of rays come through the air from outer space, but enormous quantities of radiation from the sun are【B4】______ off. As soon as men leave the atmosphere they are exposed to this【B5】______ and their spacesuits or the walls of their spacecraft, if they are inside, do【B6】______ a lot of radiation damage.
Radiation is the greatest known danger to【B7】______ in space. The unit of radiation is called "rem". Scientists have reason to think that a man can put up with far more radiation than 0.1 rem without being damaged; the figure of 60 rems has been agreed on. The trouble is that it is 【B8】______ difficult to be sure about radiation damage—【B9】______, and this will not be discovered until the birth of deformed children or even grandchildren. Missions of the Apollo flights have had to cross belts of high amounts of rems.【B10】______,we simply do not know yet how men are going to get on, when they spend weeks and months outside the protection of the atmosphere, working in a space laboratory. Drugs might help to decrease the damage done by radiation,【B11】______ [br] 【B3】
选项
答案
endurable
解析
这里的句式是“A makes B…”(A使得B……),据此可知空格处可能是形容词或动词原形。这里听到的是endurable“可以忍受的”,注意这里头一个e不要拼成i。
转载请注明原文地址:https://tihaiku.com/zcyy/2968463.html
相关试题推荐
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingat
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingat
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingat
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingat
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingat
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingat
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingat
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingat
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingat
Childrenare【C1】______seriousillnessesbecauseoftheirparentssmokingat
随机试题
NotesforJobInterviewMonthlypayoffered:【A1】______t
[originaltext]W:Hi,ProfessorHiggins.M:Hi,Julia.W:Wouldyoubeabletoh
Musicinhighereducation:whatisitworth?[A]Musichasfoun
简述团体决策的优点
女性,28岁。近一年乏力,头晕,食欲减退,晕厥两次,入院后查体:两上肢血压相差较
在真理观上,绝对主义的错误在于 A.只讲真理的客观性,不讲真理的主观性
全麻时导管插入气管内的深度,成人应为( )。A.<2cm B.2~3cm
A.200μn B.200~400μm C.400~760μm D.760
在行政诉讼中,人民法院审查(),属于对证据真实性的审查。A.证人与当事人是否存
患者女性,11岁,近一周食欲减退,恶心、呕吐、乏力、尿色黄,故来院就诊。病前两周
最新回复
(
0
)