1. --- a lonely and rugged life, far from home and family.

　　(A) Wherever the early prospector lived

　　(B) The early prospector lived

　　(C) Not only did the early prospector live

　　(D) The early prospector living

　　答案：B

　　測(cè)試點(diǎn)：主謂結(jié)構(gòu).

　　分析：逗號(hào)后為一短語(yǔ)，逗號(hào)前應(yīng)是句子.句子主謂語(yǔ)均缺，應(yīng)在答中選擇主語(yǔ)牛動(dòng)詞的形式，即闐).(A)(C)為從句;(D)無(wú)謂語(yǔ)動(dòng)詞.

　　2. Helium is --- all gases to liquefy and is impossible to solidify at normal air pressure.

　　(A) more than difficult

　　(B) the most difficult of

　　(C) more difficult of

　　(D) most difficult

　　答案：B

　　測(cè)試點(diǎn)：最高級(jí).

　　分析：形容詞的最高級(jí)由the+most+原級(jí)構(gòu)成，故選(B).解題要點(diǎn)：見(jiàn)到空格后有all或of all這類(lèi)詞出現(xiàn)，應(yīng)想到要用最高級(jí)�？稍诖鸢钢惺紫扰懦�含有more或more than等詞的比較級(jí)形式，如(A)(C).

　　3. Every year Canadian --- about 75 percent of their exports to the United States.

　　(A) businesses that sell

　　(B) selling businesses

　　(C) businesses sell

　　(D) that sell to businesses

　　答案：C

　　測(cè)試點(diǎn)：主謂結(jié)構(gòu).

　　分析：本句空格前有定語(yǔ)而主語(yǔ)、謂語(yǔ)均缺，應(yīng)在答案中選擇主語(yǔ)+動(dòng)詞的形式，即 (C).(A)(D)含that從句;(B)無(wú)可作謂語(yǔ)的動(dòng)詞.

　　4. An innovator, ballerina Augusta Maywood was --- a traveling company.

　　(A) to form the first

　　(B) the first to form

　　(C) who formed the first

　　(D) forming the first

　　答案：B

　　測(cè)試點(diǎn)：習(xí)語(yǔ)/詞序.

　　分析：The first…to do…是固定結(jié)構(gòu)，表示順序、名次，屬TOEFL�？碱}型.

　　5. When water freezes in the cracks of rocks, --- expands, causing the rocks to break apart.

　　(A) it

　　(B) but

　　(C) then

　　(D) and

　　答案：A

　　測(cè)試點(diǎn)：主語(yǔ)。

　　分析：空格前為when引導(dǎo)的從句，從句后應(yīng)是主句。主句有謂語(yǔ)expands而缺主語(yǔ)，應(yīng)在答案中選擇名詞或代詞充當(dāng)主語(yǔ).(A)是代詞，其作3個(gè)均是連詞或副詞.

　　6. With x – ray microscopes scientists can see through live insects --- even through solid pieces of metal.

　　(A) however

　　(B) nevertheless

　　(C) or

　　(D) yet

　　答案：C

　　測(cè)試點(diǎn)：連詞/并列結(jié)構(gòu).

　　分析：句中有兩個(gè)through引導(dǎo)的介詞短語(yǔ)相并列，應(yīng)當(dāng)用and或or一類(lèi)的連詞將其連接，故選(C).

　　7. As resident of New Mexico, Dennis Chavez --- to the House of Representatives in 1930 and to the Senate in1938.

　　(A) when elected

　　(B) elected

　　(C) who was elected

　　(D) was elected

　　答案：D

　　測(cè)試點(diǎn)：謂語(yǔ)/習(xí)語(yǔ).

　　分析：elect是考題中常出現(xiàn)的詞.本句有主語(yǔ)而缺謂語(yǔ)，應(yīng)在答案中選擇可作謂語(yǔ)的動(dòng)詞.即(B)或(D)。“be elected to+職務(wù)”是固定短語(yǔ)，故選被動(dòng)語(yǔ)態(tài)的(D)。

　　8. --- are not leached out of soil, reclamation procedures are needed to restore the land’s productivity.

　　(A) For concentrations of salt

　　(B) Salt concentrations that

　　(C) If salt concentrations

　　(D) With concentrations of salt

　　答案：C

　　測(cè)試點(diǎn);狀語(yǔ)從句.

　　分析：逗號(hào)后為完整的句子，逗號(hào)前可能是短語(yǔ)或從句.空格后有are not leached的謂語(yǔ)部分，可見(jiàn)這里是從句而非短語(yǔ).從句缺主語(yǔ)及連接詞，應(yīng)在答案中選擇連接詞+主語(yǔ)的形式，即(C).

　　9. --- social crusade aroused Elizabeth Williams’enthusiasm more than the expansion of educational facilities for immigrants to the United States.

　　(A) No

　　(B) Nothing

　　(C) Not

　　(D) None

　　答案：A

　　測(cè)試點(diǎn)：否定詞.

　　分析：空格處為定語(yǔ)，修飾名詞crusade，應(yīng)當(dāng)選擇形容詞，4答案中只有(A)No是形容詞。(B)是名詞或副詞：(C)是副詞：(D)是代詞。解題要點(diǎn);否定詞應(yīng)用no。of是副詞，no與not混淆是TOEFL常考題型.

　　10. --- as 2500 B.C., the Egyptians used mirrors made of highly polished metal.

　　(A) In early

　　(B) As early

　　(C) Early

　　(D) Was as early

　　答案：B

　　測(cè)試點(diǎn)：as…as…結(jié)構(gòu).

　　分析：as…as…的連用，有時(shí)可以表示強(qiáng)調(diào).看到空格后出現(xiàn)as，就應(yīng)在答案中尋找含有另一個(gè)as的形式，即(B)、(D).逗號(hào)后為完整的句子，逗號(hào)前為其狀語(yǔ)，故排除含有動(dòng)詞的(D)，選(B).此句意為“早至公元前2500年”.

　　11. The quantum theory states ---, such as light, is given off and absorbed in tiny definite units called quanta or photons.

　　(A) energy that

　　(B) that it is energy

　　(C) it is energy

　　(D) that energy

　　答案：D

　　測(cè)試點(diǎn);賓語(yǔ)從句。

　　分析：states后為賓語(yǔ)從句，從句有謂語(yǔ)is given而缺主語(yǔ)和連接詞，應(yīng)在答案中選擇連接詞+主語(yǔ)的形式，即(D).解題要點(diǎn)：遇到賓語(yǔ)從句，在答案中可先看以that開(kāi)頭的形式.

　　12. Quails typically have short rounded wings that enable --- spring into full flight instatly when disturbed in their hiding places.

　　(A) they

　　(B) to their

　　(C) its

　　(D) them to

　　答案：D

　　測(cè)試點(diǎn)：習(xí)語(yǔ).

　　分析：Enable sb.to do…是固定短語(yǔ)，故選(D).

　　13. Geysers are found near rivers and lakes, where water drains through the soil ---.

　　(A) surface below the deep

　　(B) deep below the surface

　　(C) the deep below surface

　　(D) the deep surface below

　　答案：B

　　測(cè)試點(diǎn)：詞序。

　　分析：deep為副詞，修飾后面的介詞短語(yǔ)below the surface.(A)(C)語(yǔ)序錯(cuò)誤;(D)中心詞是surface，為名詞詞組，與句意不合.

　　14. Algebra generalizes certain basic laws ---the addition, subtraction, multiplication, and division of all numbers.

　　(A) govern

　　(B) that govern

　　(C) have governed

　　(D) which they govern

　　答案：B

　　測(cè)試點(diǎn)：主謂結(jié)構(gòu)。

　　分析：空格前為主句，空格及其后部分為修飾laws的定語(yǔ)從句。從句主語(yǔ)，謂語(yǔ)均缺.應(yīng)在答案中選擇主語(yǔ)+動(dòng)詞的形式.即(B).

　　15. Even at low levels, ---.

　　(A) the nervous system has produced detrimental effects by lead

　　(B) lead’s detrimental effects are producing the nervous system

　　(C) lead produces detrimental effects on the nervous system

　　(D) the detrimental effects produced by lead on the nervous system