7．There are a lot of signs          men are more likely to have heart attacks than women．（　�。�
A．indicateB．to indicateC．indicatedD．indicating

分析 有很多跡象表明，男性要比女性更有可能患有心臟�。�

解答 答案：D．
本題中已有謂語動(dòng)詞are，故indicate只能以非謂語動(dòng)詞形式出現(xiàn)，而A選項(xiàng)是謂語動(dòng)詞，故可以排除．分析句子結(jié)構(gòu)可知，"___men are more likely to have heart attacks than women"在句中作后置定語，動(dòng)詞indicate與它的邏輯主語signs之間是主動(dòng)關(guān)系，故用現(xiàn)在分詞indicating，所以選D．

點(diǎn)評 本題考查現(xiàn)在分詞作后置定語的用法．做這類題型時(shí)，首先判斷此處是否該用非謂語動(dòng)詞（看句中是否已有謂語動(dòng)詞），然后找邏輯主語，看所填動(dòng)詞與它的邏輯主語之間的關(guān)系（過去分詞表被動(dòng)、完成；現(xiàn)在分詞表主動(dòng)、進(jìn)行；不定式表將來），來決定答案．

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