[originaltext] Take care of your teeth and your teeth will take care of you.

游客2024-01-28 43

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 has to be removed in time by a dentist.
B、It is a rare oral disease among old people.
C、It contains many nerves and blood vessels.
D、It is a sticky and colorless film on the teeth.

答案 D

解析短文中提到，牙斑是牙齿表面一层粘粘的无色层，故答案为D。

转载请注明原文地址:https://tihaiku.com/zcyy/3402039.html

相关试题推荐

[originaltext]Anewstudyfoundthat43percentofboyandgirlparticipant
[originaltext]Anewstudyfoundthat43percentofboyandgirlparticipant
[originaltext]Peoplewithbiggerbrainstendtoscorehigheronstandardte
[originaltext]Peoplewithbiggerbrainstendtoscorehigheronstandardte
[originaltext]Iliveinasmallvillageinthecountry.MywifeandIrunt
[originaltext]Iliveinasmallvillageinthecountry.MywifeandIrunt
[originaltext]W:Goodafternoon,Mr.Burke.Didyouhaveagoodlunch?M:Yes,
[originaltext]W:Goodafternoon,Mr.Burke.Didyouhaveagoodlunch?M:Yes,
[originaltext]M:Hello.Ineedtotalkwithsomeoneaboutmydriver’slicense.
[originaltext]Fifteenyearsago,Japaneseengineersastonishedtheworldwi

随机试题

PassageFour[br]Whycanapersontypebetterifheisrelaxed?Becausehecanb
Maryis______hardworkingthanhersister,butshefailedintheexam.A、nolessB
AccordingtoPakistan’sPresident,thechancesofthetwocountriesgoingtowar
Hismannerwas______offendeveryonewhohemet.A、soastoB、suchastoC、sotha
五行中木的特性是A.曲直 B.炎上 C.从革 D.稼穑 E.润下
课程内容的基本要求中，（　　）是判断培训水平高低的一个重要标准。A.价值性 B
投资者进行金融衍生工具交易时，要想获得交易的成功，必须能较准确地预测()的未来变
教学计划是()。A.对教学内容的整合 B.对教学形式的整合 C.对课程设置
下列各项关于政府补助会计处理的表述，正确的有（）。A.总额法下收到的自然灾害补贴
计数型抽样检验二次抽样方案为(N，n1，n2，C1、C2)，n为抽取的样本数，C

最新回复(0)

[originaltext] Take care of your teeth and your teeth will take care of you.

[originaltext]Anewstudyfoundthat43percentofboyandgirlparticipant

[originaltext]Anewstudyfoundthat43percentofboyandgirlparticipant

[originaltext]Peoplewithbiggerbrainstendtoscorehigheronstandardte

[originaltext]Peoplewithbiggerbrainstendtoscorehigheronstandardte

[originaltext]Iliveinasmallvillageinthecountry.MywifeandIrunt

[originaltext]Iliveinasmallvillageinthecountry.MywifeandIrunt

[originaltext]W:Goodafternoon,Mr.Burke.Didyouhaveagoodlunch?M:Yes,

[originaltext]W:Goodafternoon,Mr.Burke.Didyouhaveagoodlunch?M:Yes,

[originaltext]M:Hello.Ineedtotalkwithsomeoneaboutmydriver’slicense.

[originaltext]Fifteenyearsago,Japaneseengineersastonishedtheworldwi

PassageFour[br]Whycanapersontypebetterifheisrelaxed?Becausehecanb

Maryis______hardworkingthanhersister,butshefailedintheexam.A、nolessB

AccordingtoPakistan’sPresident,thechancesofthetwocountriesgoingtowar

Hismannerwas______offendeveryonewhohemet.A、soastoB、suchastoC、sotha

五行中木的特性是A.曲直 B.炎上 C.从革 D.稼穑 E.润下

课程内容的基本要求中，（ ）是判断培训水平高低的一个重要标准。A.价值性 B

投资者进行金融衍生工具交易时，要想获得交易的成功，必须能较准确地预测()的未来变

教学计划是()。A.对教学内容的整合 B.对教学形式的整合 C.对课程设置

下列各项关于政府补助会计处理的表述，正确的有（）。A.总额法下收到的自然灾害补贴

计数型抽样检验二次抽样方案为(N，n1，n2，C1、C2)，n为抽取的样本数，C

课程内容的基本要求中，（　　）是判断培训水平高低的一个重要标准。A.价值性 B