Take a piece of hair from your head.Ouch!It may be long,(1)CC it's not wide.Three scientists spent over 30 years(2)AA a kind of machine.This kind of machine is about a thousand times(3)BB than the width of one piece of your hair.These machines are(4)BB small that they an only be seen under a microscope(顯微鏡)!They(5)DD nanomachines(納米機器).
Because of their hard work.the three scientists(6)BB the 2016 Nobel Prize in Chemistry.They are all European.Sir J.Fraser Stoddart,one of the scientists,told reporters that he thanked(7)AA other scientists from 24 different countries for helping make this prize(8)CC.He said he once brought a chocolate Nobel Prize to his daughter from(9)AA trip to Stockholm.He expected(10)BB a real one someday.
What are nanomachines good for?Scientists believe that(11)AA the future,nanomachines(12)BB help deliver(傳送) medicines inside a person's body,or take away things that are making us sick.Mr Feringa compared(13)AA work to that of the Wright Brothers.When the Wright Brothers flew their airplane for the first time,some people questioned what airplanes(14)BB good for.Now airplanes help us(15)DD fast and we use them all the time.
(1) | A.a(chǎn)nd | B.so | C.but | D.or |
(2) | A.inventing | B.invent | C.to inventing | D.invented |
(3) | A.the smallest | B.smaller | C.small | D.smallest |
(4) | A.very | B.so | C.such | D.quite |
(5) | A.a(chǎn)re calling | B.is called | C.called | D.a(chǎn)re called |
(6) | A.will win | B.won | C.wins | D.has won |
(7) | A.hundreds of | B.hundred of | C.hundred | D.hundreds |
(8) | A.possibility | B.possibly | C.possible | D.impossible |
(9) | A.a(chǎn) | B.a(chǎn)n | C.the | D. / |
(10) | A.have | B.to have | C.having | D.to having |
(11) | A.in | B.for | C.a(chǎn)t | D.on |
(12) | A.should | B.can | C.must | D.need |
(13) | A.their | B.them | C.they | D.theirs |
(14) | A.is | B.were | C.was | D.a(chǎn)re |
(15) | A.travels | B.travelling | C.travelled | D.travel |
【考點】記敘文.
【答案】C;A;B;B;D;B;A;C;A;B;A;B;A;B;D
【解答】
【點評】
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發(fā)布:2024/5/27 14:0:0組卷:40引用:2難度:0.3
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