According to Kim Harms, a practicing dentist and a spokesperson for the American Dental Association, teeth naturally yellow as people age, therefore having whiter teeth can make one look younger. Meanwhile, a 2008 Columbia University study found that ...
How Teeth Whitening Works Most tooth whitening products contain dental-safe bleach (hydrogen peroxide or carbamide peroxide). Dental bleaching removes stains by using the chemicals to break down stubborn teeth stains, breaking up the discoloration and leaving your teeth looking whiter. There are a ...
To fake the whitest smile, always choose lipsticks or lip glosses with a blue undertone. Bright fuschias, reds, and pinks will add a pop of color to your look and compliment your smile. The blue pigment of the lip products will make your teeth appear a little bit whiter, and every litt...
根据"Toothpaste(牙膏) does more than just keep our teeth bright and white.It can be used wisely in many other ways.和Clean a Dirty Mirror;Remove the Unpleasant Food Smell;Make You Sports Shoes Whiter"可知我们可能在科学杂志上看到这篇文章。故选A。 结果五 题目 BToothpaste(牙膏)does more tha...
Maybe there is no fountain of youth, but there is a surefire way to make yourself lookolder.Smokingchanges the skin, teeth, and hair in ways that can add years to your looks. It also affects everything from your fertility to the strength of your heart, lungs, and bones. Take a look ...
Use a tongue scraper every day to reduce your overall level of toxicity and keep your immune system healthy. As added benefits, your breath will improve and your teeth will be healthier and whiter. 6.Sweat it out in a sauna We spend so much time sitting down and in air conditioned enviro...
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Make your sports shoes whiter This time,clean your sports shoes by yourself,not by your mother.Put some toothpaste around your shoes and then clean it with a wet cloth.See?Your shoes are white as new!(1)What does the passage mainly tell us about?
根据Clean a dirty mirror,Remove(去除) the unpleasant food smell,Make your sports shoes whiter可知牙膏可以清理脏了的镜子,可以去除难闻的气味,还可以让鞋变白,因此判断牙膏不能让戒指再次变新,故选C。(4)A.文章来源题。根据第一段Toothpaste(牙膏) does more than just keep our teeth...
Make Your Sports Shoes Whiter This time, clean your sports shoes by yourself, not by your mother. Wipe some toothpaste around your shoes and then clean it with a wet cloth. See? Your shoes are white as new! 1.What does the passage mainly tell us about?