We must ______ known to all that smoking is harmful to heart.
A．thisB．thatC．itD．the matter
C

試題分析：句意：我們必須要讓所有人知道吸煙已對心臟有害。it做形式賓語代替后面that引導的賓語從句。故選C。
考點: 考查代詞的用法。
練習冊系列答案
相關習題

科目：高中英語 來源：不詳 題型：單選題

This sweater fits me, but I can’t afford to buy __________. I have to choose _________ which is cheap enough for me.
A．it; thatB．that; itC．it; oneD．that; the one

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Did he find _____ hard to learn a foreign language?
A．thatB．himC．itD．himself

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

_____ took me almost 20 years to have the courage to ask my father this personal question.
A．ThisB．ItC．ThatD．One

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

_______ worries the public a lot the way the students are getting more and more stressed out.
A．ThatB．ItC．AsD．What

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

---Is your school life like ______ of other teens?
---In many ways, yes.
A．thisB．oneC．the oneD．that

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Of the two brothers, Bill is ______ younger one, and he is a quiet boy, ______ that most adults like very much.
A．the; oneB．a(chǎn); the oneC．a(chǎn); oneD．the; the one

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

In his lecture, the professor referred to the belief, in contrast to all other countries, ______ the elderly are wise, ______ is particularly dominant （占優(yōu)勢的） in the Chinese culture．
A．that; thatB．that; one that C．which; whichD． that; one

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The Three Gorges will offer you a wonderful trip, ______ you’ll remember all your life.
A．whatB．thatC．itD．one

查看答案和解析>>

同步練習冊答案