Bottled water can be just tap water in abottle.C. It may be better for your teeth .D. It may contain fluoride . 相关知识点: 试题来源: 解析 【解析】1.C.主旨大意题.文章主要讲述瓶装水所给地球带来的各种环境上的问题,瓶装水并非我们所想象得那么的好,故选C.2.C.细节理解题.根据文章第五段...
3.细节题。根据第六段第一句 In terms of energy use, plastic bottles are also not cheap. 可知应选B项。4.细节题。根据第二段最后一句 some bottled water is really just tap water in a bottle以及第三段第三句 Also, most bottled water doesn't have fluoride (氟化物), which can make teeth ...
Is there fluoride in tap water in Japan? Japan does not add fluoride to its water supply. It’s advisable to use fluoride toothpaste or take other sources as recommended by a dentist. Do restaurants serve tap water in Japan? Yes, restaurants in Japan typically serve tap water for free. So...
Fluoride is absorbed by plants through the stomata as they take in air and through roots when they absorb water, but itis not very mobile in plants. When absorbed through roots, much of it stays in the root. Fluoride that reaches a leaf usually stays there and migrates to the tip and m...
Some bottled water has fluoride (氟化物),which protects your teeth.If your tap water doesn't have fluoride,bottled water could be a healthy choice for you.Also,if there were no bottled water,you might drink a soda or a sports drink.Sugary drinks like these are a big par...
(4)Which of the following about tap water is NOT mentioned in the article? ___A.There are a lot of problems storing tap water.B.Bottled water can be just tap water in a bottle.C.It may be better for your teeth.D.It may contain fluoride. 相关...
Which of the following about tap water is NOT mentioned inthe article?A. There are a lot of problems storing tap water.B. Bottled water can be just tap water in a bottle.C.It may be better for your teeth.D. It may contain fluoride. 相关知识点: 试题来源: 解析 27.C28.C29.B30....
This is because distilled water does not contain any contaminants or chemicals like fluoride or chlorine in it. You should also keep in mind that bottled water is not pure either since it has been processed by machines before being bottled, which means it may contain traces of plastic as well...
By sticking to some simple guidelines and portions, fluoride is safe and recommended for babies and young children. There are many greatbenefits of fluoride, the foremost being that it can strengthen enamel and prevent tooth decay, making it a great way to prevent cavities in kids and continue...
根据短文第三段Also, most bottled water doesn't have fluoride(氟化物), which can make teeth stronger. Kids are drinking more bottled water and less fluoridated tap water, and some say that's behind the recent rise in bad teeth.可知,由于大多数瓶装水没有可以使牙齿强壮的氟化物,所以经常喝瓶装...