首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Carbon monoxide poisoning causes death and injuries throughout the world. The poison gas has been a problem since humans first b
Carbon monoxide poisoning causes death and injuries throughout the world. The poison gas has been a problem since humans first b
admin
2013-06-17
22
问题
Carbon monoxide poisoning causes death and injuries throughout the world. The poison gas has been a problem since humans first began burning【B1】______to cook food or to create heat during cold weather. More people die from carbon monoxide poisoning in the United States each year than from any other kind of poisoning. Carbon monoxide gas is called the such a silent【B2】______that it is hard for people to【B3】______it in the air. Yet, carbon monoxide gas is very【B4】______It steals the body’s ability to use oxygen. Carbon monoxide【B5】______the ability of the blood to carry oxygen to body tissues. It does this by【B6】______with the blood. When carbon monoxide links with the blood, the blood is no longer able to carry oxygen to the tissues that need it.【B7】______to the body can begin very quickly from large【B8】______of this gas.【B9】______and the amount of the gas he or she breathes in. Small amounts of carbon monoxide will cause a person’s head to hurt.【B10】______. The room may appear to be turning around. The person may have trouble thinking clearly.【B11】______. They will begin to feel very sleepy and very tired. They may have terrible stomach pains.
【B3】
选项
答案
realize
解析
由不定式确定,此处缺少一个动词的原形,it为形式主语,不定式与该动词短语为真正的主语。
转载请注明原文地址:https://kaotiyun.com/show/y8M7777K
0
大学英语四级
相关试题推荐
A、Takesomechangeonhim.B、Changehisideas.C、Changeclothes.D、Exchangehispositionwiththewoman.C题目询问男士将先做什么。关键是听到女士说“去
Noseshavetheiradvantages.They’recute,they’reversatile,andthey’resmallenoughtobecarriedaround.Whichmaybewhyth
A、Talkingtosomeoneoverthephone.B、Drinkingsomedietcoke.C、Playingavideogame.D、Drinkingextratea.B信息明示题,文章最后提到,医生建议
A、4%.B、10%.C、14%.D、25%.B选项均为百分比,听音时应留意与数字有关的信息,注意做笔记。短文中提到,如今每100个美国人中就有10个人超过65岁,由此可知,现在美国大约有10%的人口超过65岁,故答案为[B]。
Tasteissuchasubjectivematterthatwedon’tusuallyconductpreferencetestsforfood.Themostyoucansayaboutanyone’sp
A、Hetookthemtowatchabasketballgame.B、HetrainedthemtoplayEuropeanfootball.C、Heletthemcompeteingettingballso
A、Hethinkshe’stakentoofewcourses.B、Hethinkshe’stakentooninnycourses.C、Hedoesn’tthinkhehastakenenoughcourses
Studythefollowingchartcarefullyandwriteanessayinwhichyoushould1.describethechart,2.accountforthefac
A、Theyardoftheiroldhouse.B、Theroomtheyaregoingtomoveinto.C、Thequalityofthefurnituretheybought.D、Thefeeling
Thereisnothingmorefatiguingthannotsucceeding—beingblocked,notmovingahead.Itisa【S1】circle.Failurebreedsfatigue
随机试题
治疗重症胃食管反流病的首选药物是
A.1年B.2年C.3年D.有效期后1年E.5年药品零售企业销售特殊管理的药品,处方保存()
构成企业制度的基本内容不包括()。
某铁路干线两侧,每日发生几次的冲击振动,其最大值夜间不超过()dB。
承包商可索赔的直接费不包括( )。
会计要素是对会计对象进行的分类,为会计核算提供了类别指标。()
一般情况下,高经济杠杆代表着低风险。()
由字符序列组成,文件内的信息不再划分结构,这是指()。
10/100Mbps自适应网卡可以同时支持10Mbps与100Mbps的传输速率,能()网络的传输速率。
Wemustbecommitted______thedeepgreenhousegasreductionssinceweneedtoavoidtheworstoutcomesofclimatechange.
最新回复
(
0
)