【答案】C【核心短语/词汇】wisdom teeth:智齿,第三磨牙【翻译】人们大约在20岁会有智齿。【解析】题干问的是人们什么时候会有智齿。结合常识可知,人一生中一般有三颗智齿,从6岁到13岁之间长出一颗,16岁到25岁之间长出两颗。A项6岁时(只长出一颗),B项6岁到13岁之间(1到2颗),C项大约20岁(3颗都长...
( )29. People have wisdom teeth ___. A. at the age of 6 B. between 6 and 13 years old C. at about 20 years old D. after 25 years old 相关知识点: 试题来源: 解析 C 智齿通常在20岁左右长出,因此正确答案为C。反馈 收藏
Which of the following CANNOT help keep our teeth strong and healthy? E. Brush our teeth at least twice a day. F. Get a new toothbrush half a year. G. Don't drink too much soda. . Don't eat snacks before bedtime. 相关知识点: ...
智齿)are usually the last teeth to appear, often when people are in their late teens or early twenties. Wisdom teeth are growing at the back of the mouth, and can grow into place normally and never cause a problem. But often there is not enough room for them in the mouth. They might...
Wisdom teeth are normally the last teeth to appear. This usually happens when people are in their late teen years or early twenties, in other words, when they are older and wiser.Wisdom teeth can grow into place normally and never cause a problem. But often there is not enough room for ...
C.Impacted wisdom teeth can’t grow out of the gum fully. D.Wisdom teeth that only partly break can get bacterial infections. 解析 细节理解题。根据文章第一段可知,所谓的智齿是指在青少年晚期或二十岁出头长出的牙齿,而不是只有老人或智者才有的牙齿。 答案A 6.Wisdom teeth should be removed___...
If you're ever stuck at a party with nothing to talk about, you might mention that you're having your wisdom teeth taken out. The very mention of these teeth can start a war of words, as people duke it out to prove that their oral surgery was indeed the worst experience ever. The ...
Wisdom teeth are the third set of molars located at the very back of the mouth. They look just like the first and second molars, but can sometimes be a little smaller. They are commonly called wisdom teeth because they are the last of the 32 permanent teeth to appear, emergingbetween 17...
阅读理解 Wisdom teeth are normally the last teeth to appear.This usually happens when people are in their late teen years or early twenties in other words when they are older and wiser.
D.Why do humans have wisdom teeth that need to be removed?答案(1)词句猜测题。根据画线词后Those lacking the problematic teeth increased in number,passing on genes for reduced numbers of teeth to future generations.Today,thanks to dental surgeons,individuals with impacted teeth survive ...