题目内容
9._________ is known to all,good friends _________ happiness and value to life.( )A. | It; add | B. | As; add | C. | It; add to | D. | As; add to |
分析 众所周知,好朋友给我们的人生加入了快乐和价值.
解答 答案:B as引导的定语从句修饰整个主句,可以位于句首,其他关系词引导定语从句不能位于句首,; add to sth.""增加,增添""; add sth to sth.""把…加到…里边""; add up to""总计是…"".因句中已有介词to,所以只能选add,所以本题选择B.
点评 解答定语从句的关键是分析句子成分,如果定语从句中句子成分很完整就使用关系副词来引导;如果句子缺少主语,宾语,表语或者定语的时候就使用关系代词.同时也要注意一些关系词的特殊用法,尤其是that/as的特殊用法,既要注意普遍性,也要注意特殊性.
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