高考英語單元知識點復習Unit 15-Unit 18
即時練習:(1)she finally________ her husband to give up smoking.(2)i tried to________ him to change his mind,but he wasn’t willing to do so.(3)the doctor________ me to have a holiday,but i am too busy.(4)though she had different ideas about the proposal,we________her to accept it.答案:(1)persuaded (2)persuade (3)advised (4)persuade誘思：實例點撥【例1】(遼寧模擬) i walked in our garden, ________tom and jim were tying a big sign onto one of the trees.a.which b.when c.where d.that提示:由句子的結構可知，填上一個詞之后逗號后面應是一個非限制性定語從句，再根據先行詞和所需意義即可作出正確選擇。答案:c講評:根據引導詞在定語從句中的句子成分來確定引導詞。關系副詞where在定語從句中作地點狀語。【例2】(重慶模擬) it is known to all that________ you exercise regularly,you won’t keep good healthy.a.unless b.whenever c.although d.if提示:unless除非；whenever無論何時；although盡管；if如果。題意:眾所周知的是:除非你進行有規律的鍛煉，否則你不會保持身體健康。答案:a講評:此處是主語從句中復合句引導詞的選用，表示you won’t keep good healthy的條件，注意肯定和否定應該由句子意思確定。