2011年12月英語四級(jí)單項(xiàng)選擇模擬練習(xí)14

來源：育路教育網(wǎng)發(fā)布時(shí)間：2011-12-12

16.He always leaves _______ for all the words he does not know in his translation.

A.blankets B.blind C.black D.blanks

17.Smoking and drinking are regarded as _______ in some countries because they do no good to health.

A.vices B.habits C.customs D.copies

18.The news has not yet been officially _______ by the government.

A.struck B.confirmed C.founded D.pointed

19.These are two _______ issures， but people often take them as one.

A.ruin B.nest C.distinct D.castle

20.What _______ did you watch on television last night？

A.wave B.frequency C.channel D.tunnel

16.D 17.A 18.B 19.C 20.C

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