21.It has been calculated that the Earth’s circumference around the equator is over forty longer miles than the circumference around the two poles. ' `, u% Y; y O! E
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答案:D 6 u8 }' U; d( i6 `1 g
测试点:词序。 h1 G6 ^, n- T! x
分析:表示数量、程度的形容词(或副词)比较级的正确语序为:数词十量词+比较词+than,即forty miles longer(than…)。 $ b, K4 V& y& K, k3 d2 O( P' i
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22. A fish must constantly to gulp water in order to keep a current flowing through its delicate gills. ; s) O" U8 k8 b
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答案:A
! s4 r+ {5 n6 a- ^0 f测试点:词形。 " B' f# n. \- G7 P2 t7 ~4 T6 X) m) r
分析:看到must或call,may这几个情态动词,要注意其后应接原形的动词。此处to gulp是不定式,应去掉to。
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23. Maria Martinez, a Pueblo Indian, rediscovered the ancient art of Pueblo black pottery A and, by teaching the process to family and friends, develop a lucrative business.
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! ^+ E- t/ C. G$ J0 c# p答案:D
2 k. Q! B. r8 f( |4 z. R% C# T测试点:并列结构/时态一致。 4 i7 i) F/ ?9 a9 @# k
分析:主谓数的一致本句比第20题多了两个插入语,但仍可看出其基本结构也是and连接并列的谓语部分(A)和(D)。主语是第三人称单数的Maria Martincz,谓语动词不能用原形的develop。故(D)错,应用developed与rediscovered并列。
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24. Muscular motion is caused by the stimulate of specific nerve cells in the brain and spinal cord.
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答案:B 9 R/ R2 P: {! \* y4 S
测试点:词性。 E: s' P T0 G9 g+ a0 E" M
分析:定冠词the后要接名词而stimulate是动词,应用名词stimulation或stimulus。 o V5 m1 X x4 |6 ]3 M0 P
解题要点:注意the…of之间的划线词是否为名词。
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; F7 F. {+ t! h25. The first libraries in the North American colonies was established in Massachusetts in the year 1638. 2 z" S& X3 H& h2 _% C9 c4 i) ~, H2 w' R
$ {) p* D! p' _' w% q: J3 m5 _答案:A
7 f. A) d5 O# f4 J) z测试点:主谓数的一致。 4 a% B: ], o2 |# E
分析:后文助动词was为单数,说明其主语也应是单数。应为library。注意此处library的单、复数与前面的first无关。 |