Today the car is the most popular sort of transportation in all of the united states.it has completely -1-the horse as a -2 -of everyday transportation.americans use their car for -3 -90% of all -4 -business 。 most americans are able to -5- cars.the average price of a -6- made car was ，050 in 1950， ，470 in 1960 and up to ，750 -7 -1975.during this period american car manufacturers set about -8 -their products and work efficiency.as aresult， the yearly income of the -9 -family increased from 1950 to 1975 -10 -than the price of cars.
for this reason -11 -a new car takes a smaller -12 -of a familys total earnings today.in 1951- 13- it took 8.1 months of an average familys -14 -to buy a new car.in 1962 a new car -15 -8.3 of a family‘s annual earnings， by 1975 it only took 4.75 -16 -income.in addition， the 1975 cars were technically -17- to models from previous years.the -18 -of automobile extends throughout the economy -19 -the car is so important to american.americans spend more money -20 -keeping their cars running than on any other item.
1.a.denied b.reproduced c.replaced d.ridiculed
2.a.means b.mean c.types d.kinds
3.a.hardly b.nearly c.certainly d.somehow
4.a.personal b.personnel c.manual d.artificial
5.a.buy b.sell c.race d.see
6.a.quickly b.regularly c.rapidly d.recently
7.a.on b.in c.before d.after
8.a.raising b.making c.reducing d.improving
9.a.unusual b.smallest c.average d.biggest
10.a.slower b.equal c.faster d.less
11.a.bringing b.obtain c.bought d.purchasing
12.a.part b.half c.number d.quality
13.a.clearly b.proportionally c.percentage d.suddenly
14.a.income b.work c.plans d.debts
15.a.used b.spent c.cost d.needed
16.a.months b.years c.family d.year
17.a.famous b.superior c.fastest d.better
18.a.running b.notice c.influence d.affect
19.a.then b.as c.so d.which
20.a.to b.in c.of d.for
1.【答案】c 【解析】本句意為：汽車取代了馬，成為日常交通工具。replace“取代”；deny“否定、否認”；reproduce“復制”；ridicule“嘲笑”。故選replace。
2.【答案】a
3.【答案】b
4.【答案】a 【解析】personal“個人的”；personnel“人事的”；manual“手工的”；artificial“人造的”。本句意為：美國人使用汽車百分之九十是為了個人的業(yè)務。
5.【答案】a
6.【答案】b
7.【答案】b 【解析】指的是在1975年，與前面的in 1950對應。）
8.【答案】d
9.【答案】c
10.【答案】c 【解析】本句的意思是“家庭收入的增長速度比汽車價格上漲的速度快”。
11.【答案】d 【解析】本句缺主語，只有a和d可作主語，但a項的意思不符。purchasing“購買”，符合句意。
12.【答案】a
13.【答案】b 【解析】此處需要用副詞，先排除percentage這個名詞，其他選項中只有proportionally“相應、成適當比例的”符合句意。本句句意是，“在不同年代車價與家庭收入按比例增加”，其他兩項意思不符。
14.【答案】a 【解析】本句指的是家庭收入，只有income符合句意。
15.【答案】c 【解析】在表示某物花費某人多少錢的意思時，若物為主語，動詞要用cost。
16.【答案】a 【解析】本句指的是4.75個月的收入。
17.【答案】b 【解析】本句意為在1975年出產的汽車在工藝上比前些年出產的各種型號的汽車優(yōu)越。be superior to“比……優(yōu)越”；be better后面要接than；famous“著名的”；fastest“最快的”。
18.【答案】c 【解析】本句意為汽車的影響涉及整個經濟。influence“影響”；affect是動詞，不符合語法；running和notice不符合句意。
19.【答案】b 【解析】這里as引導原因狀語從句。
20.【答案】b 【解析】spend （in） doing sth.是固定搭配。
