31. In the United States, both the federal and state governments have laws designed to guard consumers against deceptive advertise.

　　答案：D

　　考點：詞性。

　　分析：形容詞deceptive後應(yīng)接名詞，而advertise是動詞。此處應(yīng)用advertisement.

　　32. Gore Vidal has steadily pursue a literary career remarkable for its productivity, versatility, and unpredictability.

　　答案：A

　　考點：詞形。

　　分析：has或have後的動詞應(yīng)是過去分詞形式，不能用原形。此處要用pursued。

　　解題要點： 特別要注意完成式has/have+ed與後接過去分詞之間加入副詞的情況。

　　33. When overall exports exceed imports, a country said to have a trade surplus.

　　答案：C

　　考點： 習(xí)語/被動語態(tài)。

　　分析：看到said to+動詞，應(yīng)想到用的是be said十不定式的結(jié)構(gòu)，表示“被說成是……”。此處缺系動詞is。

　　34. Instructors at the school of American Ballet first examine a young applicant’s instep to see whether it is pliant and shows promising of a good arch.

　　答案：D

　　考點：詞性。

　　分析：動詞shows後需要名詞作賓語，而promising是形容詞或分詞。此處應(yīng)當(dāng)用名詞promise。

　　35. Anthropologists agree that our primitive ancestors who inhabited the tropics probably have natural protection against the sun.

　　答案：C

　　考點：時態(tài)。

　　分析：that從句的主語是our primitive ancestors (我們遠古的祖先)，其謂語動詞只能用過去時態(tài)，不能用現(xiàn)在時。此處have應(yīng)為had。

　　36. Behavior modification techniques work best with problems that manifest itself in overt actions.

　　答案：C

　　考點：代詞數(shù)的一致。

　　分析：代詞的人稱和數(shù)要與它所指代的名詞一致。此處指代的是複數(shù)名詞 problems，代詞也要用複數(shù)的themselves。

　　解題要點: 代詞的單、複數(shù)形式也是TOEFL�？嫉囊�點，一定要找到它所指代的名詞以確定它們的數(shù)是否一致。

　　37. Because they are generally taken simply to obtain a recognizable and relatively clear image, most nonprofessional photographs demand few equipment.

　　答案：D

　　考點：little和few的用法。

　　分析：這兩個詞常見相互錯用。equipment是個集合名詞，不可數(shù)，只能用little修飾，不能用few(few修飾可數(shù)名詞)。

　　38. At birth, an infant exhibits a remarkable number of motor response.

　　答案：D

　　考點：數(shù)的一致。

　　分析：A number of後加複數(shù)名詞。此處response應(yīng)為responses。

　　39. Common to North America, those cinnamon fern is found in wet places.

　　答案：B

　　考點：數(shù)的一致。

　　分析：修飾詞，限定詞的數(shù)要與其中心詞一致。fern是單數(shù)，前面不能用複數(shù)代詞those.應(yīng)為the。

　　40. The origins of the Democratic party is often traced to the coalition formed behind Thomas Jefferson in the 1790’s to resist the policies of George Washington’s administration.