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
10
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 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
WhenyoumeetJohnthisafternoon,don’tforget(tell)________himaboutourcas
Intheworldofentertainment,TVtalkshowshaveundoubtedlyfloodedevery
错图中对向来车越线占道行驶,遇到这种情况要减速慢行,必要时停车,不能向左占道行驶。
互易二端口网络满足()。
按人们对教育法律现象的认识分,教育法律意识分为:()A.教育法律心理
下列有关大椎穴主治病证的叙述,不正确的是A.热病、疟疾 B.风疹、痤疮 C.
陈老师在教学时引用徐霞客的诗句“五岳归来不看山,黄山归来不看岳”,有学生产生了疑
下列物质中,两个氢原子的化学性质不同的是()。 A.乙炔B.甲酸C.甲醛
患者背部红肿,多个脓点,有波动感,糖尿病病史( )。A.疖 B.痈 C.丹
在职业健康安全管理体系与环境管理体系的维持过程中,组织对其自身的管理体系所进行的
最新回复
(
0
)