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Doyouknowthathumanshavebeencleaningtheirteethforover7,000years?AccordingtotheBBC,theAncientEgyptiansusedatypeoftoothpaste(牙膏).(16)itisbelievedthattheEgyptiansusedafinger(17)atoothbrush
题目详情
Do you know that humans have been cleaning their teeth for over 7,000years?According to the BBC,the Ancient Egyptians used a type of toothpaste (牙膏).(16)___ it is believed that the Egyptians used a finger (17)___ a toothbrush to clean their teeth.Chinese people may have (18)___the first toothbrush around 1,600BC.
Your toothbrush,however,may have also become (19)___.Because it is now possible to clean our teeth (20)___ using our hands!
Two Canadians,Adel Elseri and Said Fayad,have invented (21)___ called T2T or"tongue-to-teeth".Elseri says he came up with the idea (22)___ he was driving home after a long day at work.His (23)___ is a toothbrush that goes onto your tongue (舌).T2T has special edges (边缘) and toothpaste.So just (24)___ your tongue over your teeth just like a toothbrush (25)___!It will make your brush fresh too.
Elseri and Fayad made this hand-free toothbrush because they believed it was a (26)___ way for someone to brush their teeth.But people can only use the T2T (27)___.
Would you use the tongue-to-teeth?The Huffington Post in the US (28)___ readers what they thought.Sixty-one percent said that they would use it while only thirty-nine percent said they (29)___.Personally I think I'm going to stick to (坚持用) the (30)___!
Your toothbrush,however,may have also become (19)___.Because it is now possible to clean our teeth (20)___ using our hands!
Two Canadians,Adel Elseri and Said Fayad,have invented (21)___ called T2T or"tongue-to-teeth".Elseri says he came up with the idea (22)___ he was driving home after a long day at work.His (23)___ is a toothbrush that goes onto your tongue (舌).T2T has special edges (边缘) and toothpaste.So just (24)___ your tongue over your teeth just like a toothbrush (25)___!It will make your brush fresh too.
Elseri and Fayad made this hand-free toothbrush because they believed it was a (26)___ way for someone to brush their teeth.But people can only use the T2T (27)___.
Would you use the tongue-to-teeth?The Huffington Post in the US (28)___ readers what they thought.Sixty-one percent said that they would use it while only thirty-nine percent said they (29)___.Personally I think I'm going to stick to (坚持用) the (30)___!
16.A.So | B.Then | C.But | D.Or |
17.A.instead of | B.because of | C.more than | D.less than |
18.A.discovered | B.developed | C.built | D.invented |
19.A.science | B.history | C.problem | D.secret |
20.A.by | B.from | C.without | D.for |
21.A.nothing | B.everything | C.anything | D.something |
22.A.until | B.when | C.since | D.though |
23.A.idea | B.story | C.word | D.plan |
24.A.hold | B.pull | C.move | D.check |
25.A.is | B.does | C.was | D.did |
26.A.healthier | B.easier | C.harder | D.longer |
27.A.again | B.soon | C.once | D.already |
28.A.told | B.asked | C.warned | D.advised |
29.A.shouldn't | B.should | C.wouldn't | D.would |
30.A.finger | B.toothbrush | C.mouth | D.tongue. |
▼优质解答
答案和解析
16.C考察连词.so表示因果,意为"因此";then表示承接;意为"然后";but表示转折,意为"但是";or表示选择,意为"或者".句中,据BBC报道,古埃及人使用过一种牙膏,后一句说埃及...
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