The system of Braille is really _____________ to the blind.A.of great usefulB.gr

The system of Braille is really _____________ to the blind.A.of great usefulB.gr

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The system of Braille is really _____________ to the blind.
A.of great usefulB.great usefulC.great useD.of great use

答案
D
解析

试题分析:句意:盲人系统对盲人真的是有用的。这里使用be of+抽象名词=形容词,great是形容词修饰名词use,of great use="very" useful,所以选D。
举一反三
The rescue team __________ 15 countries has come to aid..
A.consists ofB.is made up ofC.consisting ofD.make up

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In making a scientific experiment, one should not be _____ by temporary setbacks but should stick to doing it hopefully.
A.cast downB.put awayC.taken inD.put out

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Even though computer screens don’t         radiation, the stress from staring over long periods can cause harm to your vision.
A.give offB.give inC.give upD.give away

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There is no need for you to go on a diet; you are only slightly overweight ______ your height.
A.in case ofB.in relation toC.in return forD.in response to

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The government work report by President Xi covers a variety of issues, and the reform in the educational system     .
A.in commonB.in generalC.in particularD.in practice

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