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】本句意为：汽车取代了马，成为日常交通工具。replace“取代”；deny“否定、否认”；reproduce“复制”；ridicule“嘲笑”。故选replace。
2.【答案】a
3.【答案】b
4.【答案】a 【解析】personal“个人的”；personnel“人事的”；manual“手工的”；artificial“人造的”。本句意为：美国人使用汽车百分之九十是为了个人的业务。
5.【答案】a
6.【答案】b
7.【答案】b 【解析】指的是在1975年，与前面的in 1950对应。）
8.【答案】d
9.【答案】c
10.【答案】c 【解析】本句的意思是“家庭收入的增长速度比汽车价格上涨的速度快”。
11.【答案】d 【解析】本句缺主语，只有a和d可作主语，但a项的意思不符。purchasing“购买”，符合句意。
12.【答案】a
13.【答案】b 【解析】此处需要用副词，先排除percentage这个名词，其他选项中只有proportionally“相应、成适当比例的”符合句意。本句句意是，“在不同年代车价与家庭收入按比例增加”，其他两项意思不符。
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】在表示某物花费某人多少钱的意思时，若物为主语，动词要用cost。
16.【答案】a 【解析】本句指的是4.75个月的收入。
17.【答案】b 【解析】本句意为在1975年出产的汽车在工艺上比前些年出产的各种型号的汽车优越。be superior to“比……优越”；be better后面要接than；famous“著名的”；fastest“最快的”。
