A项,how long “多长(距离);多久(时间)”。B项,how soon “多久;多快;多少时间之后”。C项,how often “多长时间一次”。D项,how much “多少”。根据回答 once a year(一年一次)可知,提问者想问孩子们检查牙齿的频率。询问频率的特殊疑问句一般用 how often 作为疑问词,意为“多长时间一次”。故正确...
【齐了】人教版八下英语全册重点短语听写版（附单词音频，课文及听力音频）
Birds do not require teeth to chew their food as well since they have an organ called the gizzard that digests their food well. Chickens may not be very good at flying like other birds, but the causes as to why chickens and other birds lack teeth are quite intriguing. Why Don’t Chick...
百度试题 结果1 题目Tigers have sharp teeth. What do they use their teeth for? A. Eating grass B. Climbing trees C. Catching prey D. Swimming 相关知识点: 试题来源: 解析 C。老虎的锋利牙齿用于捕捉猎物。反馈 收藏
完形填空。 Cats and dogs have different ways of showing their feeling. If a dog barks you know someone is at the door of your 1 . But cats 2 do that. Although (虽然) 3 wag (摇) their tails, it means 4 feelings.
Newborn babies do not usually have any teeth．Their front teeth begin to grow when they are about six months old．Most children have all their“milk”teeth by the time they are two years old．There are 20 teeth altogether．The front teeth are used to cut food by biting．The ...
百度试题 结果1 题目How many teeth(牙齿)do you have?相关知识点: 试题来源: 解析 答案:teeth.考查名词.根据提示"牙齿"tooth名词.how many多少,后跟可数名词复数.tooth的复数是teeth. 你有多少牙齿?反馈 收藏
Should Dogs Have Bones? While burying items is normal behavior, bones are dangerous for dogs. They can present health and safety hazards to your dog, including: Broken teeth: Veterinary dentists advise against giving your dog bones or anything else that’s harder than you can dent with your ...
Humans have two sets of teeth - baby teeth and adult teeth. 大多数宝宝在三岁时就会长全20颗乳牙了, 乳牙是恒牙的基础, 乳牙和恒牙一样的重要。 Your baby teeth are just as important as your adult teeth. 乳牙对你的健康和发育起着重要的作用。
A.When B.Where C.What D.How 9.Doing exercise every day is good ___ your health. A.for B.at C.with D.in 10. They often have lunch ___ 12:00. A. in B. at C. on D. for 11.This is really a ...