. Many people think that it is ____________making such an experiment.
A．worthwhileB．worthC．worthyD．valuable
A
詞義辨析。Worthwhile (adj) 值得的worthwhile 用于下列句型It is worthwhile doing sth./ to do sth.  干某事是值得的worth  用于下列句型：sth. is worth sth/ doing此句型中只能用doing， 不能使用被動(dòng)。 worthy 用于下列句型：sth. be worthy of sth/ being done     sth. be worthy to be done。故選A。
練習(xí)冊(cè)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

—Do you think our teacher is ________ ？
—Yes， he always corrects our homework and prepares his lessons　_______.
A．careful； carefulB．careful； carefully
C．carefully； carefullyD．carefully； careful

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


---Could you please give me a hand with my suitcase?
--- _______.
A．Never mind.B．Er, no thanksC．Come off itD．Certainly, sir

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


Jack’s    brother is    than him.
A．old; elderB．elder; olderC．old; eldD．elder; younger

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


–Jane, I’ve bought a beautiful skirt for you.
--It’s really beautiful, but it is ______ for me.
A．too small a littleB．a(chǎn) little too small
C．too a little smallD．a(chǎn) too little small

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


.If we humans beings continue to waste and destroy natural resources without using _____ energy, such as the energy from the sun, wind and water, our earth will be done for.
A．a(chǎn)lternative B．solarC．conventional D．recycled

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


. It’s quite ____ of beginners to forget to use an article before a noun.
A．usualB．commonC．typicalD．ordinary

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Alice is a kind girl. She is ______ willing to help me study in English.
A．very B．so C．such D．too

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

We sat there, ___ with what we listened to.
A．satifyingB．to satifyC．contentedD．content

查看答案和解析>>

同步練習(xí)冊(cè)答案