21. Jazz first flourished in New Orleans, Louisiana, and then spread at cities all across the country. % D# h& P) C/ y) {: _
9 d$ S& e4 H2 {答案：C 4 E' \0 l+ N0 w- E. U
测试点：介词. 1 u- \+ L: |5 E6 W1 K2 \
分析：cities前不用介词at，而用in. 4 z7 e! W- N& O, l2 J, x
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22. Flower have long been cultivated and bred for their beauty and their fragrance. 8 s) c3 r( u& T1 _7 O% o# ?
/ R/ Y2 N0 \0 F- V( ?答案：A 测试点：主谓数的一致. % @+ t1 m3 U0 E; t8 `, o7 \; x
分析：动词是复数的have，推知主语应也是复数的．应为Flowers. 2 [; x; X7 i6 Q% T6 I9 x
: V( }+ C: D- \7 v23. When a spinning ball bounces, some of the energy contained in its rotation can transferred to its energy of forward motion.
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答案：C 测试点：被动语态.
& H- X, x% @) m, @3 ^分析：can后接动词原形，不能接分词．(C)can transferred是错误形式．根据句意，应为被动语态can be transferred。
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24. One values product of a musk deer is musk, which comes from a gland near the male’s abdomen and is used in medicines and perfumes.
+ q, H6 [0 b+ G+ o5 |$ i- A( C
/ m( b* |! H5 d$ X" D答案：A
" T5 H. Y$ R$ r7 _测试点；词性. 5 y0 K3 z$ B; y3 s* B! b3 x0 ]
分析：(A)应用形容词valuable修饰主语名词product. 6 V2 J- W" f7 D5 S: v0 V
# j( @+ m' o- }. y3 E25. The economy of Little Rock, Arkansas, is basis primarily on manufacturing, wholesale and retail trade, and government functions.
) F6 }' @) M; M4 t4 p6 R+ _ ; u/ z: R" |6 O- i& q* F
答案：B 9 j" g2 i- A1 V
测试点：习语. 7 n% L' v4 W, G- H
分析：Be based on是固定的短语，不用名词形式basis. |
发表于 2012-8-14 22:34:35
