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________ their service, the workers of the hotel are active in learning English.
[ ]
A.Improving B.To improve
C.Improve D.Having improved
查看习题详情和答案>>________ their service, the workers of the hotel are active in learning English.
[ ]
A.Improving B.To improve
C.Improve D.Having improved
查看习题详情和答案>>________ their service, the workers of the hotel are active in learning English.
[ ]
A.Improving B.To improve
C.Improve D.Having improved
查看习题详情和答案>>________ their service, the workers of the hotel are active in learning English.
[ ]
A.Improving B.To improve
C.Improve D.Having improved
查看习题详情和答案>>Trains were used for long distance transportation.
Today the car is the most 1 sort of transportation in all of the 2 .It has completely taken the place of the horse as a 3 of everyday transportation. The Americans use their cars for nearly 90 4 all their 5 .Most Americans are 6 to buy cars. The average(平均) 7 of a car was 2050 in 1950,2740 in 1960 and up to 4750 in 1975. During this period, American carmakers 8 improving their products. As a 9 ,the income of the average family 10 from 1950 to 1970 11 than the price of cars. 12 ,buying a new car takes a smaller part of a family’s 13 income today. In 1951, it 14 8.1 months of an average family’s income to buy a new car. In 1962,a new car 15 6.43 months of a family’s income. By 1975,it 16 took 4.75 months’ income. 17 ,the 1975 cars were technically 18 than those of the previous(先前的) 19 .
That’s why cars are so 20 in the USA.
1.A.useful B.valuable C.cheap D.popular
2.A.United States B.world C.year D.continent
3.A.development B.journey C.sign D.means
4.A.percent B.years C.miles D.dollars
5.A.trips B.lives C.buissness D.time
6.A.permitted B.encouraged C.anxious D.able
7.A.value B.cost C.price D.money
8.A.suggested B.enjoyed C.made up D.started
9.A.tool B.result C.drive D.producer
10.A.reduced B.increased C.received D.needed
11.A.more slowly B.smaller C.faster D.less
12.A.However B.For example C.Instead D.For this reason
13.A.low B.high C.monthly D.total
14.A.needs B.took C.spent D.saved
15.A.spent B.paid C.cost D.took
16.A.might B.really C.only D.would
17.A.Otherwise B.Besides C.But D.Finally
18.A.improved B.better C.lighter D.smaller
19.A.months B.years C.cars D.families
20.A.popular B.expensive C.cheap D.good
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