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Doyouknowthathumanshavebeencleaningtheirteethforover7,000years?AccordingtotheBBC,theAncientEgyptiansusedatypeoftoothpaste(牙膏).(21)itisbelievedthattheEgyptiansusedafinger(22)atoothbrushto

题目详情
Do you know that humans have been cleaning their teeth for over 7,000 years?According to the BBC,the Ancient Egyptiansused a type of toothpaste (牙膏).(21)___it is believed that the Egyptians used afinger (22)___a toothbrush to clean their teeth.Chinese people may have (23)___thefirst toothbrush around 1,600 BC.
    Your toothbrush,however,may have also become(24)___.Because it is now possible toclean our teeth (25)___using our hands!
Two Canadians,Adel Elseri and Said Fayad,have invented(26)___called T2T or"tongue-to-teeth"Elseri says he came up with the idea(27)___he was driving home after a long day at work.His(28)___is a toothbrush that goes onto your tongue(舌) T2T has special edges (边缘) and toothpaste.So just (29)___your tongue over your teeth and it cleans your teeth just like a toothbrush(30)___!It will make your breath fresh too
Elseri and Fayad made this hand-free toothbrush because theybelieved it was a (31)___way for someone to brush their teeth.But people can only use the T2T (32)___.
Would you use the tongue-to-teeth?The Huffington Post in the US(33)___readers what they thought.Sixty-one percent said that they would use it while only thirty-nine percent said they (34)___.Personally I think I'm going to stick to(坚持用) the (35)___.
21.A.So B.Then C.But D.Or
22.A.instead of B.becauseof C.more than D.less than
23 A.discovered B.develop C.built D.developed
24 A.science B.history C.problem D secret
25.A by B.from C.without D for
26.A.nothing B.everything C.anything D.something
27.A.until B.when C.since D.though
28.A.idea B.story C.word D.plan
29 A.hold B.pull C.move D.check
30 A is B.does C.was D.did
31 A healthier B.easier C.harder D.longer
32 A.again B.soon C.once D already
33.A.told B.asked C.warned D.advised
34.A.shouldn't B.should C.wouldn't D.would
35.A finger B.toothbrush C.mouth D tongue.
▼优质解答
答案和解析
21.C 考查连词辨析.A表示所以;B表示然后;C表示但是;D表示或者,否则.分析语境可知it is believed that the Egyptians used afinger (22)a toothbrush to clean their teeth与According to the BBC,the Ancient Egyptians used a type of toothpaste间是转折关系,选C.
22.A 考查短语辨析.A表示代替,而不是;B表示因为;C表示超过;D表示少于.结合语境和Chinese people may have (23)thefirst toothbrush around 1,600 BC可知此处表示但是人们相信埃及人用手指而不是牙刷来清洁他们的牙齿,选A.
23.D 考查动词与时态.A表示发现;B表示发展,研制;C表示建立.结合语境可知此处表示中国人可能是在公元前1600年研制出了第一把牙刷,要用develop,助动词have后填它的过去分词,选D.
24.B 考查名词辨析.A表示科学;B表示历史;C表示问题;D表示秘密.由Because it is now possible toclean our teeth (25)using our hands可推测此处表示你的牙刷也许也会成为历史,选B.
25.C 考查介词辨析.A表示通过;B表示从;C表示没有;D表示为了,对于.由下文的So just (29)your tongue over your teeth and it cleans your teeth just like a toothbrush可知此处表示的是因为现在不用双手也能清洁我们的牙齿是变得可能的了,选C.
26.D 考查不定代词.A表示没有事物;B表示一切事物;C表示任何事物;D表示某事物.结合语境可知此处表示发明了一种叫T2T或"舌头对牙齿"的东西,这是一个肯定句,所以用something表示某物,选D.
27.B 考查连词辨析.A表示直到;B表示当…时;C表示自从;D表示虽然.结合语境可知此处表示当他在冗长的一天工作后开车回家时他提出了这个想法,选B.
28.A 考查名词辨析.A表示主意;B表示故事;C表示语言;D表示计划.由he came up with the idea when he was driving home after a long day at work可知此处表示他想出的点子是一个可以达到你的舌头的牙刷,选A.
29.C 考查动词辨析.A表示抓住,掌握;B表示拉;C表示移动;D表示检查.结合语境可知此处表示所以只是在牙齿上移动你的舌头,选C.
30.B 考查动词与时态.分析语境可知空格处代指的是上文提到的cleans,意思是并且它清洁你的牙齿就像是牙刷在清洁一样,代指动词要用do,cleans是三单形式,所以这里也要用do的三单形式,选B.
31.B 考查形容词辨析.A表示更健康的;B表示更容易的;C表示更难的;D表示更长的.由hand-free可推测此处表示因为他们相信它对刷牙的人来说是更容易的方式,选B.
32.C 考查副词辨析.A表示又,再;B表示很快;C表示一次;D表示已经.由but可知此句与上一句是转折关系,推测句意为但人们只能一次性的使用T2T,选C.
33.B 考查动词辨析.A表示告诉;B表示问;C表示警告;D表示建议.由Sixty-one percent said that they would use itwhile only thirty-nine percent said they…可知此处表示的是美国的《赫芬顿邮报》问读者他们怎么样的,选B
34.C 考查情态动词.A表示不应该;B表示应该;C表示不会;D表示会.由Sixty-one percent said that they would use it(百分之六十一的人说他们会使用)可知此处表示的是百分之三十九的人说他们不会,选C.
35.B 考查名词辨析.A表示手指;B表示牙刷;C表示嘴;D表示舌头.由stick to可推测此处表示的是就自己而言,我觉得我会坚持用牙刷,选B.
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