Recently people have made great progress in using ______ power of nature to produce ______ electricity.
A．a(chǎn); theB．/ ; /C．the; /D．a(chǎn); an
C.
解析：考查冠詞。第一個(gè)空特指自然界的power，所以用定冠詞；第二個(gè)空后的electricity是不可數(shù)名詞，所以不用冠詞。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

The driver was at ______loss when______ word came that he was forbidden to drive for speeding.
A．a(chǎn);/ B．a(chǎn);theC．the;the D．/；/

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

There is ________ apple tree in my garden. It's over 10 years old. 
A．theB．a(chǎn)C．a(chǎn)nD．不填

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

After _______ absence of 10 years from his hometown, Mr. Li doesn't know _______ great changes have taken place there.?
A．a(chǎn)n;/B．a(chǎn)n; theC．the; aD．/;the?

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Looking back，we have reasons to believe that ___more prosperous and stronger China will surely make new contributions to _____civilization of mankind．
A．a(chǎn)；aB．a(chǎn)；theC．the；theD．the；a

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Though smoking is not allowed in the public places, many people are still in _______ habit of smoking in the train or bus in _______ public.?
A．the；theB．/；/?
C．the；aD．the；/?

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Sugar is sold by _______ pound, petrol by _______ gallon.?
A．a(chǎn); aB．a(chǎn); the?
C．the; aD．the; the?

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

—What is ______ population of China?
—China has ____population of l．3 billion．
A．the；the    B．a(chǎn)；a    C．a(chǎn)；the    D the；a

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

In China,＿＿＿bicycle is＿＿＿popular means of transportation(交通)．
A．the； a B．a(chǎn)；不填C．the； the D．a(chǎn)； the

查看答案和解析>>

同步練習(xí)冊(cè)答案