4.On the evening of January 26,1905,F(xiàn)rederick Wells,a manager at the Premier  Diamond Mine in South Africa,was making his daily inspection when he suddenly saw a  reflection on the wall.(36)F He used a knife to get it out and found that it was 10cm  long,6cm high and 5cm thick and weighed about three quarters of a kilo.(37)CHe  was now even more certain that it was worthless,but just in case,he sent it to be  checked.
It's lucky that he did.The stone later became known as the Cullinan Diamond,the  biggest diamond in the world.It was perfectly clear,and twice the size of any other  diamond ever found.The Cullinan was sold to the local government for£150,000.(38)DThe discoverer himself received a reward of£3,500.
The important job of cutting the diamond to get full value from it was given to Joseph  Asscher,a famous diamond cutter from Amsterdam in Holland.(39)G On February  10,1908,Joseph Asscher prepared himself for the greatest job of his life.He placed his  special diamond-cutting tool and hit it,but the tool broke.Fortunately,though,the  diamond wasn't damaged.(40)AThis time it was separated perfectly into three large  sections,which were later separated again into mne main diamonds,plus many smaller  ones.The largest piece is called Cullinan I,or the Star of Africa,and is now on display in  the Tower of London.

A.He got a special extra-large tool and tried again.
B.Diamonds needed to be cut in order to reach their full value.
C.This was much bigger than any diamond he had ever heard of.
D.It was later given to King Edward Vll as a 66th birthday present.
E.He knew one good cutting would cost thousands of pounds.
F.He guessed it was a piece of glass someone llad put there as a trick.
G.He stu died the huge diamond for three months before deciding where to make the cut.

分析 本文屬于說明文閱讀,作者通過這篇文章主要向我們描述了一塊巨大鉆石被發(fā)現(xiàn)的戲劇化事件,最終它被獻(xiàn)給國王,制成精致的裝飾品.

解答 36.F.推理判斷題.根據(jù)后文He  was now even more certain that it was worthless可知他說這是一塊玻璃,是別人擺在那里戲弄他的;故選F.
37.C.推理判斷題.根據(jù)后文He  was now even more certain that it was worthless可知這比他聽說過的任何鉆石都大得多,一定不是鉆石;故選C.
38.D.推理判斷題.根據(jù)前文The Cullinan was sold to the local government for£150,000可知鉆石被交到了King Edward Vll作為一個(gè)第六十六歲的生日禮物;故選D.
39.G.推理判斷題.根據(jù)后文On February  10,1908,Joseph Asscher prepared himself for the greatest job of his life可知他研究了巨大的鉆石的三個(gè)月決定在哪里進(jìn)行切割;故選G.
40.A.推理判斷題.根據(jù)后文This time it was separated perfectly into three large  sections,which were later separated again into mne main diamonds可知他得到了一個(gè)特殊的特大型工具,并再次嘗試,才切割了鉆石;故選A.

點(diǎn)評 考察學(xué)生的推理判斷能力和聯(lián)系上下文的能力,在做推理判斷題不要以個(gè)人的主觀想象代替文章的事實(shí),要根據(jù)文章事實(shí)進(jìn)行合乎邏輯的推理判斷.此類的填空題一定要聯(lián)系上下文,根據(jù)上下文的內(nèi)容加上自己的理解,再作出正確的判斷.

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