Use your head, _______you’ll work out the problem.
A.orB.soC.a(chǎn)ndD.for
C

試題分析:考查固定句式。本題中含有特殊句式:祈使句+連詞+陳述句=If引導(dǎo)的條件句+主句。這個句型進一步轉(zhuǎn)換成:名詞短語+連詞+陳述句。如果原句中的連詞是and,那么可以轉(zhuǎn)換成一個肯定的條件句;如果原句中的連詞是or,可以轉(zhuǎn)換成一個否定的祈使句。句意:用你的頭腦,你就會算出那道題。本句可以轉(zhuǎn)換成If you use your head, you will work out the problem.故使用and。故C正確。
點評:本題的固定句式是高考中的重點內(nèi)容。:祈使句+連詞+陳述句=If引導(dǎo)的條件句+主句。這個句型進一步轉(zhuǎn)換成:名詞短語+連詞+陳述句。本題要注意轉(zhuǎn)換成條件句的肯定和否定形式。
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