How Long Should You Brush Your Teeth? Brush your teeth for 2 minutes each time.Dr. Anne Clemons, DMD, says this is the best way to clean all tooth surfaces. Use a timer or an electric toothbrush with a built-in timer to track the time. Many people brush too quickly and miss spots ...
根据文章第二段第一句“Brush your teeth at least twice a day—after breakfast and before bedtime. ”(每天至少刷牙两次——早餐后和睡前。)和第三段第一行“Brush all of your teeth, not just the front ones. Spend time brushing teeth along the sides and back of your mouth.”(刷你所有的牙...
( )5. How often should we brush our teeth? A. At least three times a week. B. At least twice a week. C. At least once a day. D. At least twice a day. 相关知识点: 试题来源: 解析 为了保持牙齿健康,我们需要每天至少刷两次牙,所以答案是D。 问题是询问我们应该多久刷一次牙。 选...
How often should you brush your teeth 你应该多久刷一次你的牙齿？how often 英 [hau ˈɔfən]美 [haʊˈɔfən]词典 多久，多常
【题目】— How often do you brush your teeth? ( ) —___. A.TwoB.TwiceC.Two times 试题答案 【答案】B 【解析】 问句意为你多久刷一次牙?how often意为多久一次,用来提问频率。A意为二,B意为两次,C意为两倍。当time表示次数,不能用two times,应该用twice,因为只有等于或多于(3次)的时候,才能用...
how often就是对频率提问，通常用once a week、twice a month等回答。do是助动词，问句中通常会用到be动词或do、does等助动词。一般陈述句语序是 I brush my teeth once a day.我每天刷牙一次。一般疑问语序是Do you brush your teeth once a day? 你每天刷牙一次吗？do是助动词，问句中通常会...
How often should we brush our teeth? A. Once a week B. Once a day C. Twice a day D. Once a month 相关知识点: 试题来源: 解析 C。解析:为了保持口腔健康,我们应该每天刷两次牙。选项A一周一次刷牙次数太少;选项B一天一次不太够;选项D一个月一次是完全不卫生的。
1. —___ a day do you brush your teeth?— Twice a day. A. How often B. How soon C. How many times D. How long 相关知识点: 试题来源: 解析 本题的正确答案是 C. How many times。 这句话的意思是“你一天刷几次牙?”,询问的是刷牙的次数。 1. 理解句意: 句意为“你一天刷_...
---___do you brush your teeth? ---Twice or more a day. A. How soon B. How far C. How long D. How often D 【解析】 句意:——你多久刷牙一次?——一天两次或两次以上。本题考查特殊疑问词的用法。A. How soon表示 “多久之后”,主要用来对表示将来的一段时间提问。B. How far 多远; C...
如何刷牙(How to brush your teeth) you should brush your teeth twice a day. first, brush your teeth the inside surface of you teeth. always move your brush in small circles. next brush the outside surface of your teeth. then brush the biting surface of your teeth. after that wash your...