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
Brushing and flossing can surely keep your teeth and gums healthy. Receding gums is often the result of hard tooth brushing.
Brushing and flossing can surely keep your teeth and gums healthy. Receding gums is often the result of hard tooth brushing.
admin
2009-04-23
64
问题
Brushing and flossing can surely keep your teeth and gums healthy.
Receding gums is often the result of hard tooth brushing.
选项
A、Y
B、N
C、NG
答案
A
解析
定位到文章标题Tips on Proper Brushing下第一条建议末句:Brushing too hard can cause receding gums,tooth sensitivity.and,over time,loose teeth.(刷牙时用力过猛会造成牙龈萎缩,牙齿过敏,而且久而久之会造成牙齿脱落。)由此可判断,牙龈萎缩常常是由于刷牙过猛造成的。题干与原文内容相符合。
转载请注明原文地址:https://kaotiyun.com/show/DdZK777K
0
大学英语六级
相关试题推荐
Manypeoplewholiveincitiessaythattheydislikecitylife.Theysaythecityisnoisy,dirtyandcrowded.Theyaretiredof
A、Theygotawrongordernumberfromthecaller.B、Theyfailedtodeliverthecomputersontime.C、Theycouldn’tfindtheorder
Istayedupallnight______tofindanewsolutiontotheproblem.
7thJuly,2015DearSirs,PackagingMachineryHeadquartersinChicago,Illinois,FMCCompanyisamajorproduceroftechnic
Americansdependontheircarsmorethananyotherpeople.Thefamilycarhasbeenacommonthingsincetheearly20thcenturya
Manypeoplehavefound______uncomfortabletoholdthesamepositionforalongtime.
Thefirsttextbook_____forteachingEnglishasaforeignlanguagecameoutinthe16thcentury.
NoticeOverthepastmonththePersonnelOfficehasreceivednumerouscallsabouttheapprovalprocessforusingthenew"fl
A—fluorescentlampJ—microwaveovenB—electricfanK—smokeexhausterC—dictatingmachineL—juiceextract
A、Thestoriesprobablyweren’ttrue.B、Tomdoesn’tusuallytellfunnystories.C、She’ssurprisedTomwassoseriouslastnight.
随机试题
以下哪项不是破伤风常见症状
患者,女,25岁,已婚。月经周期先后不定,量多如注,持续十余日不净,婚后1年半,未避孕,未孕。可诊断为()
A.3dB.3d~3周C.>3周D.>2个月E.3h亚急性硬膜下血肿在多长时间内出现症状()
高技术研究发展规划的内容有()。
根据个人所得税法律制度的规定,个人转让房屋所得应适用的税目是()。
税务行政复议期间发生的下列情形中,应当终止行政复议的是()。
在五千多年的文明发展________中,中华民族为人类文明进步做出了________的贡献。近代以后,我们的民族历经磨难,中华民族到了最危险的时候。自那时以来,为了实现中华民族伟大复兴,无数仁人志士奋起抗争。填入画横线部分最恰当的一项是:
温度计:水银
讨论矩阵An×n=(n≥2)的秩.
Everyroominthehouse______entered,and$10innotesandagoldwatchweremissing.
最新回复
(
0
)