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
15
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
7thJuly,2015DearSirs,PackagingMachineryHeadquartersinChicago,Illinois,FMCCompanyisamajorproduceroftechnic
INFORMATIONSECURITYSPECIALISTNOTE:Pleasesubmityourresumedirectlythroughthiswebsite,aswellasemailingyourresu
TheUniversityBookstoreisaself-supportinguniversity-ownedorganization,whichwasfoundedin1921.Itprovidesstudents,fa
MemoTo:AllEmployeesFrom:BerryE.Silver,PresidentDate:Oct.22,2015Subject:OurgoalsforthenextyearMarketingandS
Thescientistswantedtokeeppeople______aboutthebreakthroughintheirexperiment.
Thiscoursewillintroduceyoutomanyofthefunctionswhichthesoftwareusestoproduceletters,reports,andotherdocuments.
Whatisthepurposeoftheparty?To______toMr.Smith.
Hehasnochoicebut______backhometowaitforthefinalresult.
Googleisaworld-famouscompany,withitsheadquartersinMountainView,California.ItwassetupinaSiliconValleygaragei
A、Eatabiggerbreakfast.B、Maketimeforlunchinherschedule.C、Takeonlymorningclassesnextsemester,D、Changeherschedul
随机试题
被誉为“管理过程理论之父”的是()
为明确诊断,首选检查检查发现肝内胆管扩张,肝总管直径为2cm,左右肝管均有结石,胆囊不肿大,选用的手术方式是
A、再生障碍性贫血B、溶血性贫血C、缺铁性贫血D、巨幼细胞贫血E、急性粒细胞白血病骨髓象中可见各系有不同程度的巨幼样变,以红系较明显,易见粒细胞分叶过多,最可能的情况是
男,60岁,因慢性肾功能不全入院,血生化检查:K+6.5mmol/L,Na+136mmol/L,Ca2+2.1mmol/L,CO2CP25mmol/L。心电图示T波高尖。下列处理不正确的是
某市人民政府依金某申请,作出行政复议决定,撤销市房管局对金某房屋的错误登记,并责令市房管局在一定期限内重新登记。市房管局拒不执行该行政复议决定,金某有权采取下列哪一种措施?
简述各国学前教育发展和改革趋势。
大仲马是法国19世纪浪漫主义作家,其代表作是()。
诚实守信是立人之本、成事之基,我国社会主义道德建设以诚实守信为重点。下列名言警句中,体现诚实守信道德要求的是
以下程序运行后的输出结果是【】。#include<string.h>main(){charch[]="abc",x[3][4];inti;for(i=0;i<3;i++)strcpy(x[i],ch);
I’mtoldthatduringaninternationalgameofchess(国际象棋),manybeautifulmovescouldbcmadeonachessboard.Inadecisive【C1
最新回复
(
0
)