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
公务员
Throughout history man has had to accept the fact that all living things must die. But people now live longer than they【C1】_____
Throughout history man has had to accept the fact that all living things must die. But people now live longer than they【C1】_____
admin
2013-04-25
82
问题
Throughout history man has had to accept the fact that all living things must die. But people now live longer than they【C1】______. Yet, all living things still show the【C2】______of aging, which will eventually【C3】______death.
Aging is not a disease, but as a person passes maturity(成熟期), the cells of the body and the 【C4】______they form do not function as well as they【C5】______in childhood and teenage years. The body provides less【C6】______against disease and is more【C7】______to have accident.
A number of related causes may【C8】______aging. Some cells of the body have a fairly long life, but they are not【C9】______when they die. As a person ages, 【C10】______of brain cells and muscle cells decreases. 【C11】______body cells die and are replaced by new cells. In an aging person the【C12】______cells may not be as workable or as capable【C13】______growth as those of a young person.
Another【C14】______in aging may be changes within the cells【C15】______. Some of the protein chemicals in cells are known【C16】______with age and become less elastic(有弹性的). This is why the skin of old people wrinkles(皱纹) and【C17】______. This is also the reason why old people 【C18】______in height. There may be other more important chemical changes in the cells. Some complex cell chemicals, such as DNA and RNA, store and【C19】______information that the cells need. Aging may affect this【C20】______and change the information – carrying molecules so that they do not transmit the information as well.
【C8】
选项
A、attend to
B、contribute to
C、add to
D、devote to
答案
B
解析
根据句意:有一些相关的原因可能促使人衰老。contribute to“有助于、起作用、促成”符合句意。attend to“专心于”;add to“增加、把……添加到……”;devote to“致力于、献身于”。这四个词组中的to都是介词,要注意它和不定式符号to的区别。
转载请注明原文地址:https://kaotiyun.com/show/X7hq777K
本试题收录于:
小学英语题库教师公开招聘分类
0
小学英语
教师公开招聘
相关试题推荐
数学家的爱情李伶伶①数学家是朋友送他的绰号,因为他对数字特别敏感,数学运算得特别快。朋友都说他是数学天才。可是数学天才的爱情之路却一直不顺利。②一次,他跟一个交
下列诗(词)句与意境的特征,对应不恰当的一项是()。
Wangling,amiddleschoolgirl,feltangrywithherparentsaftergettingaboy’sphonecall."Aclassmatecalledmetodiscuss
Oneofthemostremarkablethingsaboutthehumanmindisourabilitytoimaginethefuture.Inour【B1】wecanseewhathasnoty
XiaoShenyangwillpresentacomedyinmid-May.You’llenjoyerrenzhuan,alocalfolkdancefromNortheastChina.Time:8:00
"Ordinary"wastheworstwordmymothercouldfindforanything.Irememberhertakingmeshoppingandtakingnonoticeofthes
"Youcan’tbuyhappinessbutitlookslikeyoucanatleastinherit(遗传)it,"BritishandAustralianresearcherssaidonThursda
Insideaboxtherearesixsmallerboxes,andinsideeachsmallboxaresixmuchsmallerboxes.Howmanyboxesaltogether?____.
课堂教学应改变以教师为中心、单纯传授书本知识的教学模式。教师应帮助学生发展探究知识的能力、获取信息的能力和______的能力。
以下是PEP四年级下册Unit2Whattimeisit?Let’slearn和Let’sdo的教学材料。请确定教学重难点,并运用3P教学模式根据重点内容设计教学过程,同时写出设计意图。(中英文皆可)
随机试题
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性。
早期自然流产多是由于
体积较小的无症状单发的肉瘤如何处理()肉瘤体积较大者最宜采用的方法是()
知母的药理作用包括()
建筑消防设施的合格证明文件有()。
银行不予受理的结算凭证有()。
劳动力成为商品的条件是劳动者()。
车子在___________的盐碱戈壁上颠簸,疑惑越来越浓:___________的地方,人怎能存活?但是地图上标得十分清晰:新疆喀什英吉沙县托普鲁克乡木孜鲁克村。世人闻知英吉沙县是小刀与达瓦孜之乡、非遗古镇、新疆水城、中国杏都,等等,却很少有人知道它还有
编写如下程序:PrivateSubCommand1_Click()Fori=1To5PrintTab(6-i);Forj=iTo1Step-1Pri
面向对象方法中,继承是指( )。
最新回复
(
0
)