16. Sea turtles date back 100 million year and are the only ancient sea reptiles to survive the present Day.

答案：A

測試點(diǎn)：數(shù)的一致．

分析：有阿拉伯?dāng)?shù)字出現(xiàn)時(shí)，應(yīng)特別注意其后緊接的名詞是否應(yīng)為復(fù)數(shù)．這里year應(yīng)為復(fù)數(shù)。

 

17. At a first, the scientific method may appear to be a narrow and restrictive way of gaining understanding. 答案：A

測試點(diǎn)：習(xí)語。

分析：At first是固定短語，a多余．

 

18. Since prehistoric times, artists have portrayed subjects that representative their culture. 答案：D

測試點(diǎn)：詞性。

分析：that是從句主語，后面接謂語動(dòng)詞。此處應(yīng)當(dāng)用動(dòng)詞represent而不用形容詞representative．

 

19. How many people realize that agriculture is a source of raw materials for clothing and to shelter? 答案：D

測試點(diǎn)：詞性／并列結(jié)構(gòu)．

分析：看到…and…，應(yīng)想到它前后兩部分同詞性、同形式．此處要用名詞shelter與clothing并列．

 

20. Mammals lose body heat to them environment in cold weather more quickly than in hot weather.

答案：B

測試點(diǎn)：代詞．

分析：environment為名詞，前面要用形容詞性的代詞their作定語，不能用them．

 

21. Mahogany is often considered the finest cabinet wood because they has most of the qualities desired for furniture making.

答案：C

測試點(diǎn)：代詞數(shù)的一致。

分析：謂語has為單數(shù)形式，主語應(yīng)為相應(yīng)的單數(shù)代詞it。

解題要點(diǎn)：代詞數(shù)的錯(cuò)用是TOEFL�？碱}型．注意劃線代詞是否與它所指代的名詞單復(fù)數(shù)一致．

 

22. The situation comedy has proved to a remarkably durable commercial television format. 答案：B

測試點(diǎn)：習(xí)語．

分析：prove+to be+名詞是固定結(jié)構(gòu)，此處缺be．

 

23. Calcium, the most abundantly mineral in the body works with phosphorus in maintaining bones and teeth. 答案：A

測試點(diǎn)：詞性．

分析：副詞abundantly不能修飾名詞，此處要用形容詞abundant。

解題要點(diǎn)：見到劃線的-ly結(jié)尾的副詞，要留意是否是形容詞的誤用．

 

24. Soil science begun with the formulation of the theory of humus in1808. 答案：A

測試點(diǎn)：不規(guī)則動(dòng)詞的詞形變化

分析：begun是過去分詞，不能單獨(dú)作謂語。應(yīng)用過去式began。解題要點(diǎn)；劃線的不規(guī)則動(dòng)詞，要注意其形式變化是否用錯(cuò)．TOEFL中常見的有，begin-began-begun，stand-stood-stood，set-set-set等．

 

25. Scholars tend to cite 1831 as the started of the United States abolitionist movement. 答案：C 測試點(diǎn)：詞性。

分析：started是動(dòng)詞形式，而冠詞the后須用名詞．應(yīng)為start．

 

26. Mary McDowell shared Jane Addam’s interest in social work also was a loyal supprter of the League of Nations.

答案：B

測試點(diǎn)：連詞．

分析：also是副詞，而此處要用連詞and連接兩個(gè)并列的分句．

 

27. In adolescence, a young person may experience some stress emotional due to conflicting and confusing social demands.

答案：B

測試點(diǎn)：詞序．

分析：單個(gè)的形容詞emotional應(yīng)放在它所修飾的名詞stress前．

解題要點(diǎn)： 形容詞定語與其修飾的名詞前后詞序顛倒是�？碱}型。注意劃線的名詞+形容詞的錯(cuò)誤形式。

 

28. Situated in the heart of a grain-farming and livestock-raising region, Abilene, Kansas, is a prosperous trading and distribute center.

答案：D

測試點(diǎn)：詞性/并列結(jié)構(gòu)．

分析：以and作線索，確定此處應(yīng)用distributing與trading并列，不能用distribute．

 

29. A hologram is a pattern usually made on film in that can create a three-dimensional image of a scene.

答案：B

測試點(diǎn)：多詞．

分析：此處that在定語從句中作主語，前面無須加in．

 

30. The general sales tax has been a major source of income for state governments, much of which derive more than half of their budgets from it.

答案：B

測試點(diǎn)：many和much的用法．

分析：這兩個(gè)詞常被故意混淆．利用后文derive和their作線索，可確定which代指復(fù)數(shù)的governments，所以這里要用修飾可數(shù)名詞的many來修飾which，不能用修飾不可數(shù)名詞的much．

解題要點(diǎn)；注意劃線的many或much是否用錯(cuò)．

 

31. Principal known for his dictionary, Noah Webster was also the first epidimiologist in the United States.

答案：A

測試點(diǎn)：詞性．

分析：修飾動(dòng)詞的過去分詞known要用副詞principally，而不能用形容詞principal．

 

32. Liquid lubricants contrast widely in weighing, thickness, and boiling point. 答案：C

測試點(diǎn)：詞性／并列結(jié)構(gòu)．

分析：關(guān)鍵詞是and，它要求其前后成份同詞性、同性質(zhì)．此處當(dāng)用名詞weight與thickness和point并列．

 

33. Interest with major social events led to a period of growth in journalism after 1945. 答案：A

測試點(diǎn)：習(xí)語/介詞。

分析：interest in是固定短語，不用with。

 

34. Saint Elmo’s fire is a luminous blue discharge of electricity sometimes seen when a thunderstorm.

答案：D

測試點(diǎn)：介詞．

分析：表示時(shí)間概念的連詞和介詞經(jīng)常錯(cuò)用．連詞when后只能接從句或分詞而這里后接名詞，不能用when，只能用介詞in或during．

 

35. Almanacs in simple form have been known from the invention of writing. 答案：B 測試點(diǎn)：since和from的用法．

分析：since和from常被相互錯(cuò)用．由have been known知道此句是現(xiàn)在完成時(shí)態(tài)，應(yīng)想到時(shí)間狀語該用since，不能用from．

 

36. If laid out in straight line, the human digestive tract would measure approximately thirty foot in length. 答案：D

測試點(diǎn)：數(shù)的一致／名詞的數(shù)。

分析：題中遇有foot或feet出現(xiàn)時(shí)，應(yīng)注意其單、復(fù)數(shù)是否用錯(cuò)。因前文有thirty，故此處應(yīng)用復(fù)數(shù)feet．

解題要點(diǎn)；改錯(cuò)題中劃線的foot或feet應(yīng)予以首先考慮．

 

37. The relationship of Latin American music to Black music in the United States is clearly evident in the unaccented beats that are common to either. 答案：D

測試點(diǎn)：either和both的用法．

分析：“兩者的共同特點(diǎn)”應(yīng)是common to both，不用either．(B)clearly evident正確并非同意重復(fù)．

 

38. Today it is generally recognized as the primary function of the Federal Reserve System is to foster the flow of credit and money that will eventually facilitate a balance in

international payments.

答案：B

測試點(diǎn)：形式主語．

分析：看到it is…的句式，應(yīng)立即注意其是否用了“形式主語+that從句(或十不定式)”結(jié)構(gòu)。這樣，才不會(huì)被recognized as所迷惑。as應(yīng)為that，引導(dǎo)真正的主語。

 

39. Pure flint is too hard and even-grained that it chips in smooth curved flakes. 答案：B

測試點(diǎn)：so that和too…to的用法

分析：TOEFL考試中常見把這兩個(gè)結(jié)構(gòu)錯(cuò)誤搭配的題型．后文有that,說明(B)應(yīng)當(dāng)用so．

 

40. The typical Georgian-style house is rectangular in shape, at less two stories high, and designed around a central stairway.