16. American sign language has its own distinct grammatical structure, which must be mastered in the same way as that of another languages.

　　答案：D

　　測(cè)試點(diǎn)：other和another的用法.

　　分析：考題中常見(jiàn)這兩個(gè)詞被相互錯(cuò)用.another應(yīng)后接單數(shù)名詞，而此處后接復(fù)數(shù)的languages，應(yīng)用other.

　　17. Alasks is the larger and most sparsely populated state of the United States. 答案：A

　　測(cè)試點(diǎn);并列結(jié)構(gòu)/最高級(jí)。

　　分析：and所連接的成份應(yīng)同形式、同性質(zhì)。and后為最高級(jí)的most，and前不能用比較級(jí)的larger.應(yīng)為largest.

　　18. Fossil remains indicat e that squidlike creatures called betemnites swam in the sea who covered the North American continent 70 million years ago .

　　答案：C

　　測(cè)試點(diǎn)：who和which的用法.

　　分析：who是指人的代詞，而此處指代的是the sea，是物而不是人.應(yīng)為that或which.

　　19. In 1991 singe r Kathleen Battle is receiving the annual American Black Achievement Award for excellenc e in vocal performance .

　　答案：B

　　測(cè)試點(diǎn)：時(shí)態(tài).

　　分析：Is receiving是現(xiàn)在進(jìn)行時(shí)，而句中具體的時(shí)間狀語(yǔ)In 1991說(shuō)明本句應(yīng)當(dāng)用過(guò)去時(shí)。應(yīng)為received。

　　20. Scientists do not know why did dinosaurs became extinct, but some theories postulate that change s in geography, climate, and sea levels were responsible.

　　答案：A

　　分析：why引導(dǎo)賓語(yǔ)從句，其語(yǔ)序應(yīng)是陳述句的語(yǔ)序而不是疑問(wèn)句的.故應(yīng)刪除did.

　　21. Anthropologists investigate the customs of different groups of people, particularly that in isolated areas.

　　答案：C

　　測(cè)試點(diǎn)：代詞數(shù)的一致.

　　分析：that為單數(shù)，而此處指代的是people，為復(fù)數(shù)意義.應(yīng)為those.

　　22. Hydraulic machines lift heavy load, exertion large forces, drive vehicles and machine tools, and control many kinds of motion.

　　答案：B

　　測(cè)試點(diǎn)：并列結(jié)構(gòu)/詞性.

　　分析：and所連接的成份應(yīng)同詞性、同性質(zhì).本句中and所連接的其他項(xiàng)均為動(dòng)詞十賓語(yǔ)結(jié)構(gòu)，因此exertion應(yīng)為動(dòng)詞exert.

　　解題要點(diǎn)：當(dāng)出現(xiàn)劃線的以-tion結(jié)尾的名詞時(shí)，應(yīng)首先考慮它的詞性是否正確。

　　23. Although Shirley Jackson’s fiction often dealt with frightening experiences , she also wrote autobiographical, descriptions humorous of her life in a small Vemork town.

　　答案：C

　　測(cè)試點(diǎn);詞序.

　　分析：?jiǎn)蝹�(gè)的形容詞修飾名詞時(shí)應(yīng)放在句詞前，不應(yīng)后置.應(yīng)為humorous descriptions.

　　24. When a nucleus is not dividing , it consisting of a nuclear membrane, a nucleolus, and evenly distributed genetic material.

　　答案：C

　　測(cè)試點(diǎn)：詞形/謂語(yǔ).

　　分析：consisting是動(dòng)詞的非謂語(yǔ)形式，而此處需要謂語(yǔ)動(dòng)詞.應(yīng)為consists of.

　　25. Most aquatic animals breathe by means external respiratory organs called gills. 答案：C

　　測(cè)試點(diǎn)：習(xí)語(yǔ)/介詞.

　　分析：By means of是固定短語(yǔ)，而此處缺of。

　　26. It is not known why only four of all the occurring naturally elements in the periodic table are ferromagnetic.

　　答案：B

　　分析：測(cè)試點(diǎn)：詞序。副詞natturally應(yīng)放在分詞occurring前面修飾它，分詞修飾后面的名詞.

　　27. Rice has been a basicall y food for millions of people for hundreds of years. 答案：B

　　測(cè)試點(diǎn)：詞性。

　　分析：basically是副詞，而修飾名詞food應(yīng)當(dāng)用形容詞。應(yīng)為basic。

　　28. Some linguists believe that the earliest language were no less complex as modern language.

　　答案：D

　　測(cè)試點(diǎn)：習(xí)語(yǔ)/比較句式.

　　分析：No less… than…固定短語(yǔ)，不用as.

　　解題要點(diǎn);看到比較級(jí)的形容詞或副詞，應(yīng)注意后面是否有than.

　　29. The American artistic James Abbort McNeill Whistler promoted the idea of art for art’s sake, insisting that painting had no mission to fulfill.

　　答案：A

　　測(cè)試點(diǎn)：詞性.

　　分析：artistic是形容詞，而此處應(yīng)當(dāng)用名詞artist作句子主語(yǔ).

　　30. Once a teacher of French and Spanish, the writer Maya Angeiou remaining strongly committed to the goals of foreign language education.

　　答案：B

　　測(cè)試點(diǎn)：詞形/謂語(yǔ).

　　分析： remaining為非謂語(yǔ)形式，而此處需要謂語(yǔ)動(dòng)詞.應(yīng)為remained.

　　31. Exploitation of the powers of computers depend on one’s ability to load information into them .

　　答案：B

　　測(cè)試點(diǎn);主謂數(shù)的一致。

　　分析：主語(yǔ)Exploitation是第三人稱單數(shù)，謂語(yǔ)動(dòng)詞不能用depend。應(yīng)為depends。

　　32. Animals usually prepare for hibernation by eating large amounts of food to build out stored fat in their bodies.

　　答案：C

　　測(cè)試點(diǎn);習(xí)語(yǔ).

　　分析：Build up是固定短語(yǔ)，不用out.

　　33. William Jenriings Bryan was a Democratic nominee for the United States presidency third times, but he never won .

　　答案：C

　　分析：測(cè)試點(diǎn)： 數(shù)詞/近義詞.third表示數(shù)的順序后接單數(shù)名詞;此處后接復(fù)數(shù)times， 根據(jù)句意，應(yīng)當(dāng)用表示數(shù)量的three.

　　34. The domestic architecture of the Western world has responded to a number of cultural, geography and, social needs .

　　答案：C

　　測(cè)試點(diǎn);并列結(jié)構(gòu)/詞性.

　　分析：and兩邊應(yīng)同詞性、同性質(zhì).and后為形容詞social, and前不能用名詞geography。應(yīng)為形容詞geographic。

　　35. People have always fascinated by the parrot’s colorful feathers and its ability to mimic human speech. 答案：A

　　分析：由信號(hào)詞by可知，位于用被動(dòng)語(yǔ)態(tài)，因此將always fascinated改為always been fascinated

　　36. The American astronomer Gerard Kuiper discovered a satellite of Uranus, found Titan to have an atmosphere , and advanced theoretical of planetary formation.

　　答案：D

　　測(cè)試點(diǎn);詞性/近義詞.

　　分析：theoretical是形容詞，此處應(yīng)用名詞theories.

　　37. Some meta l vary in resilience at different temperatures , becoming very brittle when cold. 答案：A

　　測(cè)試點(diǎn)：主謂數(shù)的一致.

　　分析：謂語(yǔ)動(dòng)詞vary是關(guān)鍵詞，說(shuō)明主語(yǔ)不應(yīng)是第三人稱單數(shù)的metal.應(yīng)為metals.

　　38. The fritillaries, one of the largest group of butterflies, are found not only in this country but in many other parts of the world as well .

　　答案：A

　　測(cè)試點(diǎn)：習(xí)語(yǔ).

　　分析：One of the+最高級(jí)+復(fù)數(shù)名詞是固定短語(yǔ)(TOEFL�？�)，此處不能用單數(shù)的group。應(yīng)為groups。

　　39. Preceding the United Stated Naval Academy was founded in 1845, sailors were trained at sea .

　　答案：A

　　測(cè)試點(diǎn)：連詞/近義詞.

　　分析：preceding是形容詞或動(dòng)詞，不能引導(dǎo)從句.應(yīng)為Before.

　　40. During her lifetime, Margaret Mead was internationally known as an authority on various literate and illiterate culture.