首页
登录
职称英语
[originaltext] Take care of your teeth and your teeth will take care of you.
[originaltext] Take care of your teeth and your teeth will take care of you.
游客
2024-01-28
41
管理
问题
Take care of your teeth and your teeth will take care of you. Your teeth are a living part of your body. They have nerves and blood vessels. Diseased teeth can cause pain, die and fall out. Plaque is the main enemy of healthy teeth. Everyone has plaqu
选项
A、It can change into acids causing damage to their outer covering.
B、It greatly reduces their resistance to the attacks of bacteria.
C、It makes their nerves and blood vessels more sensitive to acid food.
D、It combines with food particles to form a film on their surface.
答案
A
解析
短文中指出,牙斑上的细菌生活在糖分中,会使糖变成酸,从而破坏牙齿表面那层比较坚硬的壳由此可知,糖会变成酸,破坏牙齿表层,故答案为A。
转载请注明原文地址:https://tihaiku.com/zcyy/3402040.html
相关试题推荐
[originaltext]Takefivecolours:red,black,blue,greenandpurple.Howdo
[originaltext]Takefivecolours:red,black,blue,greenandpurple.Howdo
[originaltext]Takefivecolours:red,black,blue,greenandpurple.Howdo
[originaltext]Mostofusknowthattheriskofgettingillisreducedwhen
[originaltext]Mostofusknowthattheriskofgettingillisreducedwhen
[originaltext]Primaryorelementaryeducationisthefirstyearsofformal,
[originaltext]Primaryorelementaryeducationisthefirstyearsofformal,
[originaltext]W:OK,ProfessorJohnson.Today,let’stalkaboutsomethingabout
[originaltext]Houstonhasreceivedover120centimetersofraininjustaf
[originaltext]Houstonhasreceivedover120centimetersofraininjustaf
随机试题
Whichonewasnotmentionedintheconclusiondocumentissuedbythesummit?[br
[originaltext]Somementalhealthresearchhaslinkeddepressioninwomenwi
[img]2022m3x/ct_ve01202001m_eillist_0258_220329[/img]Writethecorrectletter,
Comparedwiththeimmediatepracticalresponsibilityofthescientist,the(
Accordingtothefirstparagraph,thelibrarysendstheapplicationformtothe
Wemadean(agree)______tomeeteveryyearonMarch15th.agreement本题测试的是词性转换。全
Theconceptofpersonalchoiceinrelationtohealthbehaviorsisanimport
咳而少痰,甚则咯血,伴胸胁灼痛,烦热口苦,证属A.肝火上炎 B.肺阴虚 C.
能反映其特点为刚脏,主升、主动的生理功能是A.肝主疏泄B.脾主升清C.肾主蒸化D
电抗器应满足()的最大负载、工作电压等条件的要求。厂家要求$;
最新回复
(
0
)