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

試題分析：句意：盲人系統(tǒng)對盲人真的是有用的。這里使用be of+抽象名詞=形容詞，great是形容詞修飾名詞use，of great use="very" useful，所以選D。
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

You did very well in all your subjects—________，you passed the mid­term examination.
A．in the endB．a(chǎn)fter all
C．a(chǎn)t the same timeD．in other words

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Jane tried to keep up a calm appearance, but her trembling voice ________ her _______.
A．gave; inB．gave; outC．gave; upD．gave; away

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Affected by the earthquake happening in March, seven springs____________.
A．dried upB．dried outC．dried offD．dried away

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

While prices of houses are rising so fast, many people are working out ways to      their expenses.
A．settle downB．put up C．turn to D．cut down

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—Nancy, would you please remove the big box here to make some room for my books?
— Of course, but_____, I want to select some of your books to read.
A．a(chǎn)s a matter of factB．a(chǎn)s a reward for
C．in turnD．in return

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

They must have gotten to the top of the mountain by now. They_____ before the sun rose.
A．settled downB．set out C．took off D．turned up

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Obviously, the advantage we take of solar energy is ________   enough.We have to work still harder.
A．far fromB．a(chǎn)long with
C．next toD．out of

查看答案和解析>>

同步練習(xí)冊答案