【題目】Using renewable energy sources is a simple idea, but ________ we find it hard to put into practice.

A. one B. what

C. which D. that

【答案】A

【解析】

練習冊系列答案
相關習題

科目：高中英語 來源： 題型：

【題目】The tourists often complain of being ________by the local peddlers(小販)when they buy some souvenirs.
A.ripped off
B.ripped out
C.ripped up
D.ripped way

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】It's a _______ where all my money goes each week.

A. surprise B. fun

C. joy D. puzzle

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】________ with a difficult situation, Rose decided to ask her teacher for advice.

A. To face B. Having faced

C. Faced D. Facing

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】Bad habits are no way easy to be________；it needs your determination.
A.replaced
B.moved
C.removed
D.got rid

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】The little boy showed great interest________chemistry when he was doing it________the first time.
A.in；for
B.on；for
C.in；on
D.for；at

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】We can see monuments here and there.Those who have made a great ________to human beings and society will never be forgotten.
A.advance
B.progress
C.contribution
D.achievement

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】What does the woman think of the temple?

A. Old. B. Modern. C. Impressive.

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】“What a experience!” a woman saved from the train said with a look on her face.
A.terrifying; terrified
B.terrifying; terrifying
C.terrified; terrified
D.terrified; terrifying

查看答案和解析>>

同步練習冊答案