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s needles, tailorbirds sew large leaves together with plant fiber to forming their nests. 答案:D測(cè)試點(diǎn);詞形.分析:此處需用不定式短語(yǔ)作狀語(yǔ)表示目的,如后接動(dòng)詞原形.應(yīng)為to form.20. Columns may be circular or polygonal in cross section, and are generally at least four times more taller than they are wide.答案:D測(cè)試點(diǎn);比較級(jí)形式重復(fù).分析:遇有劃線的比較級(jí)形式,應(yīng)注意其more和er是否被重復(fù)使用.此處應(yīng)去掉more.21. The poetry of Gwendolyn Brooks demonstrates a major characteristically of twentieth –century writing: the conflict between mitment to a social ideal and mitment to art. 答案:C分析:(C)測(cè)試點(diǎn);詞性。分析:以空格前的as為線索,在答案中尋找含有另外那個(gè)as的結(jié)構(gòu),即(C)、(D).(C)形容詞和它所修飾的名詞之間不應(yīng)插入其他成份;(D)正確.14. The small greenish flowers of the American elm tree appear in the spring, .(A) is grown long before the leaves(B) long before the leaves grow(C) the leaves before growing long(D) the growth of leaves before long is答案:B測(cè)試點(diǎn):狀語(yǔ)從句/習(xí)語(yǔ).分析:所缺為說(shuō)明時(shí)間的狀語(yǔ),應(yīng)以before開(kāi)頭;而短語(yǔ)long before語(yǔ)法作用與before相同,但語(yǔ)意更強(qiáng),故選(B).15. In the years between 1937 and 1952, author Margaret Wise Brown more than a hundred books but also wrote the lyrics for 21 children’s records.(A) not only produced(B) only not produced(C) produced only(D) only have produced答案:A測(cè)試點(diǎn):not only…but also…分析:后文的but also是關(guān)鍵詞,應(yīng)在答案中選擇含有not only的形式,即(A)。8. often added to sauces and soups, is plentiful and relatively inexpensive.(A) Parsley, an herb that is(B) For parsley, an herb to be(C) An herb, parsley is(D) Parsley, is that herb答案:A測(cè)試點(diǎn);主語(yǔ)/同位語(yǔ).分析:系動(dòng)詞be前應(yīng)為句子主語(yǔ)部分,但如果有逗號(hào)把主語(yǔ)部分與動(dòng)詞隔開(kāi),則說(shuō)明主語(yǔ)后面接有修飾它的部分,即同位語(yǔ)或定語(yǔ).應(yīng)在答案中選擇名詞+逗號(hào)+同位語(yǔ)/定語(yǔ)的結(jié)構(gòu),即(A).9. Emily Post’s book Etiquette, in 1922, was an immediate success.(A) published(B) was published(C) when it published(D) that it published答案:B測(cè)試點(diǎn):習(xí)語(yǔ).分析:Similar to是固定短語(yǔ),此形容詞短語(yǔ)接在名詞后作其定語(yǔ).10. Emily Post’s book Etiquette, in 1922, was an immediate success.(A) published(B) was published(C) when it published(D) that it published答案:A測(cè)試點(diǎn);分詞短語(yǔ)作后置定語(yǔ)。分析:后文or是關(guān)鍵詞,應(yīng)想到這