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三、数词
同学们首先应会读会写所有基数词和序数词，以及与数词有关的钟点表达法。对数词的考查，中考常采用单选题及听力题，这些题型归纳起来，应掌握以下几点特别容易出错的地方。
1.基数词变序数词。其规律为：
1,2,3特殊记，加th从4起 (first,second,third,fourth)
8少t，9去e，千万别忘记 (eighth,ninth) 逢5逢12，ve变f (fifth,twelfth)
20到90，y要变ie (twentieth,ninetieth) 若是几十几，前基后序别倒位 (ninety-first)
2.hundred,thousand,million 在构成具体的数字时用单数形式。 如：five hundred people. 只有在表达笼统的多数时才加s，构成复数形式。
hundreds of 数以百计的，成百上千的 thousands of 数以千计的，成千上万的
millions of 数百万的 这些词组前不能用具体数字。
3.序数词常与定冠词the 连用。
练习:①Henry has learned eight _________ French words this year. A.hundred B.hundreds C.hundred of D.hundreds of
②The _________lesson is the most difficult one in Book Two. (twenty)
另外，同学们还应掌握与数词有关的钟点表达法。
顺读法(钟点＋分钟) 如：4:30 four thirty 4:45 four forty-five
4:15 four fifteen 倒读法(分钟＋to／past＋钟点) 如：4:30 half past four
4:15 fifteen past four／a quarter past four 4:45 fifteen to five／a quarter to five
练习题 :
1.At the beginning of the_____(twenty) century,the world's population was about 1700 million.
2.Are these_____(watch)yours? Yes.
3.You don't look well.You'd better go to the______(doctor) at once.
4.Would you give me________,please?
A.two papers B.two piece of paper C.two pieces of paper D.two pieces of papers
5.There are three_____and seven____in the picture.
A.monkeys,sheeps B.monkeys,sheep C.monkies,sheep D.monkies,sheeps
6.A lot of____are talking with two_______.
A.Germans,Frenchmans B.Germen,Frenchmans C.German, Frenchmen D.Germans,Frenchmen
7.June 1 is __. A.the Children's Day B.the Childrens' Day C.Children's Day D.Childrens' Day
8.__________people went out to see what had happened.
A.Thousands of B.Three thousand ofC.Thousand of D.Three thousands
9.We have been in the school for______.
A.three and a half month B.three and a half months C.three month and a half D.three months and half
10.__________English is___________ useful language. A.A, an B./, a C.The, an D. A, /
11.John was given _______ orange bag for his birthday but ______ bag was lost just now. A.an,a B.a,the C.the,a D.an,the 12.There's ________ old tree near _______ house. A.a,an B.an,the C.a,the D.the,a
13.There is ________ 800-metre-long road behind _________ hospital.A.an,an B.a,a C.an,the D.a,the
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