首页
登录
职称英语
Some scientists think that parents make too big fuss about hygiene, and that dai
Some scientists think that parents make too big fuss about hygiene, and that dai
游客
2023-10-15
60
管理
问题
Some scientists think that parents make too big fuss about hygiene, and that daily 【M1】 ______
contact with bacteria and viruses can be good for youngster. A recent study conducted 【M2】 ______
by the University Children’s Hospital in Munich showed that children who had
at least two mild virus infections before their first birthday were only the half as 【M3】 ______
likely to be diagnosed with asthma or allergies when they were seven, compare with 【M4】 ______
children who had been ill only once or not at all. This finding supports the hypothesis 【M5】 ______
that today’s ultra-clean lifestyle is the reason of an increase in allergies in the general 【M6】 ______
population in developed countries. It is possible, although this is not yet establish, 【M7】 ______
which contact with the bacteria is needed for cells in human immune systems to 【M8】 ______
develop correct. So parents should not overreact if their children get muddy or 【M9】 ______
dirt sometimes when playing outside. 【M10】______ [br] 【M7】
选项
答案
establish→established
解析
(establish为及物动词,it与establish是被动关系,故用过去分词形式。)
转载请注明原文地址:https://tihaiku.com/zcyy/3100736.html
相关试题推荐
ScientistssaytherehasbeenaseveredecreaseintheamountofwaterinLa
ScientistssaytherehasbeenaseveredecreaseintheamountofwaterinLa
ScientistssaytherehasbeenaseveredecreaseintheamountofwaterinLa
Theconceptoftelevision,______imagesoverdistances,hadintriguedscientists
Scientistshavedevelopedapioneeringtechnologythatallowschildrenwith
他父母设法使他相信,教书是最适合他的职业。(convince)Hisparentsmanagedtoconvincehimthatteaching
______thecalculationisright,scientistscanneverbesurethattheyhaveincl
Scientistsknowthattherearetwobasicapproachestoprolongingforlife.
Scientistsknowthattherearetwobasicapproachestoprolongingforlife.
Scientistsknowthattherearetwobasicapproachestoprolongingforlife.
随机试题
Optimismcanhelpyoutobehappier,healthierandmoresuccessful.Pessimism
性质不同的填料,应水平分层、分段填筑、分层压实。同一水平层路基的全宽应采用同一种
在急性胰腺炎发病过程中,起关键作用的酶是()A.弹力蛋白酶 B.磷脂酶A
基因工程抗体优于杂交瘤单克隆抗体的最重要特点是A:应用广泛B:纯度高C:非异
在进行审计抽样时,不属于常用的随机选样方法主要有()。A.简单随机选样法
廉租住房的申请程序包括:①轮候;②申请;③公示及登记;④审核;⑤签约。下列排序正
简述现代企业人力资源管理各个历史发展阶段的特点。
属于口咽癌的是( )。A.下颌第一磨牙正对颊黏膜癌 B.舌根鳞状细胞癌 C
某外资保险公司2003年12月31日的资产总额为52亿元,其中:现金0.02亿元
某村位于城乡接合部,2010年5月在“撤村转居”的同时,实施了农村集体产权制度改
最新回复
(
0
)