TV set is one of       in the world.A.most useful inventionB.the most helpful in

TV set is one of       in the world.A.most useful inventionB.the most helpful in

题型:不详难度:来源:
TV set is one of       in the world.
A.most useful inventionB.the most helpful inventions
C.more helpful inventionsD.less useful invention

答案
B
解析

试题分析:句意:电视机是世界上最有用的发明之一。这里one of+可数名词的复数,故排除AD;这里用了最高级所以它的前面应该用定冠词修饰。故选B。
举一反三
Her pen pal not only helps her      English     gives her     how to learn math well.
A.with; but also; some advices on
B.learn; but; some advice on
C.to learn; but also; some suggestion about
D.learning; but; some suggestions on

题型:不详难度:| 查看答案
He wants to be a policeman. That’s his  _______.
A. work        B. dream           C. future
题型:不详难度:| 查看答案
—What’ s your favorite  _______?
— Baseball.
A. fruit           B. player     C. sport
题型:不详难度:| 查看答案
—I have a _______.
—You shouldn’t eat too much candy.
A. toothache      B. headache        C. backache
题型:不详难度:| 查看答案
---Are your grandparents in good _____?  
---Yes. Because they have quite _____ living habits.
A.health; healthB.healthy; healthy
C.health; healthyD.healthy; health

题型:不详难度:| 查看答案
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