turned out to be harmful to dental health.C. There is not enough evidence of the benefits of flossing.D...Flossing may not ... (P5)Choose the best answer:1. What was the article by The Associated Press ……

day. Dentists say that flossing keeps your teeth strong and healthy. But if you asked them why...) that flossing is good for you. They never really studied the effectiveness (有效性) of flossing.That’s why ……

a day just isn’t enough to keep teeth healthy and strong. This is where flossing comes... a day just isn’t enough to keep teeth healthy and strong. This is where flossing comes ……

and strong. This is where flossing comes in. Flossing can help to move away any food between your teeth... teeth healthy and strong. This is where flossing comes in. Flossing can help to move away any food ……

people are worried that there will not be enough food for everybody by the middle of this century. One... is growing and some people are worried that there will not be enough food for everybody by the middle ……

The flossing recommendation now joins an ever-growing list of medical and *dietary claims, warnings... by politicians to limit our salt intake has little basis in science. And more skepticism ever since ……

牙线到底有用吗？词数 250 测试见IV版 建议阅读时间 7分钟 For years, dentists have told us that flossing (用牙线剔牙) keeps our... Guidelines (指导方针) for Americans 2015-2020.The guidelines have left out the sentence about flossing ……

. And you don't feel like smiling at all.Teeth are important. Strong, healthy teeth help youchew(咀嚼... you buy toothbrush, be sure it has softbristles(鬃毛).2. Learn how tofloss(用牙线剔牙) your teeth.Flossing ……

that flossing once a week is enough if you have straight teeth with no gaps. Mouthwash (漱口水), on the other... people’s dentists always remind them to do. Zhang said that flossing once a week is enough ……

of mouthwash. Among all three steps, flossing is the most critical–whenever a piece of *stray dinner... on Aug 2 which read: “There’s little proof that flossing works.”The news agency looked at 25 ……

用牙线剔牙无用？词数 393 建议阅读时间 8分钟 测试见7版For years, dentists have told us that flossing (用牙线剔牙) keeps our... that there isn’t much evidence (证据) to back it up.“There’s little evidence that flossing works,” reported an ……

floss every day?If you have straight teeth with few gaps (缝隙), then flossing (用牙线) once a week is enough. If not, floss daily. But it’s not good to use mouthwash that often. It has some disinfectant ……

, playgrounds are usually outdoors, so the gas isn't strong enough to affect people's health."He believes... in many school and college playgrounds gives off a poisonous gas in strong sunlight that can cause ……

globally and is a strong advocate (倡导者) for gender equality in research and science education,” said...Yan Ning (second from left) receives the 2024 L’Oreal-UNESCO For Women in Science International ……

HAO Jinsong is facing a strong opponent. So strong, in fact, that most others can do nothing... suddenly to attack.Hao's a 33-year-old graduate student at China University of Political Science ……