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41.______ anywhere in the United States costs less than a dollar when you dial it yourself.
a. Three minutes call c. A three-minutes call
b. Three-minute call d. A three-minute call
42.The ______ about nuclear energy revolves around the waste problem.
a. public’s chief concern c. chief public concern
b. public chief concern d. chief concern of public’s
43.______ the first and largest ethnic group to work on the construction of the transcontinental railroad.
a. Chinese were b. The Chinese was
c. Chinese was d. The Chinese were
44.______ can get a better view of the game than the participants.
a. Looker-on b. Lookers-on c. Looker-ons c. Lookers-ons
45.A group of spectators was dispersed by the police who ______ at the scene of the accidents within minutes.
a. were b. have been c. was d. has been
46.Our livestock ______ not as numerous as they used to be.
a. is b. are c. be d. been
47.One of the most surprising things is that ______ may come from petroleum.
a. much of tomorrow food c. many of tomorrow’s food
b. much of the food of tomorrow d. much of tomorrow’s food
48.Scott is an orphan but he received ______.
a. very good education c. a very good education
b. very good educations d. many good educations
49.After several day’s hardworking, we have made ______ on the design.
a. much improvement c. many improvement
b. several improvements d. some improvement
50.The boy was very happy that his mother bought him a new pair of shoes at a ______ yesterday.
a. shoes shop b. shoe shop c. shoes’s shop d. shoe’s
【答案解析】
DADBA BDBCB | 
发表于 2017-1-4 15:56:11