This is a______ but extremely difficult technology in the future.
A．satisfactoryB．costlyC．promisingD．far-fetched
C
考查語境下的詞義辨析。promising意為“有希望的”。將來的話，還沒有使用，排除A；B,D與后面的extremely dofficult不能構(gòu)成轉(zhuǎn)折。
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

Bush spent I think a lot ___ time in voting than Kerry did.
A．ofB．of much moreC．much moreD．more

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2009安徽合肥質(zhì)檢)Having failed in many attempts，the bird       managed to escape from the cage．
A．suddenlyB．naturally
C．immediatelyD．eventually

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The reference she made to her friend, the poet, was interesting but too _____ for anyone to appreciate.
A．drasticB．dullC．obscureD．distinct。

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

With sufficient scientific information a manned trip to Mars should be _____.
A．obtainableB．potentialC．considerableD．feasible

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Her skirt had been so _____ in packing that she had to iron it before going out.
A．fadedB．tornC．dirtyD．crushed

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

He's unlucky , and he's always suffering _____ luck one after another .
A．a(chǎn) sickB．a(chǎn)n illC．sickD．ill

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

This is the _____ piano on which the composer created some of his greatest works.
A．a(chǎn)ctualB．genuineC．realD．original

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The dead rate is _____ pigs and recovery usually ______ within 7-10 days.
A low in; occurs                           B.rich in;happens
C.high in; came about                      D.poor in;took place

查看答案和解析>>

同步練習(xí)冊答案