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too ,to结构(too ...to结构)

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1.It is___difficult for us ___climb up the mountain. A.very,can't B.too,not C.too,to D.very,to 2.The problem is____difficult ____few of us can work it out. A.too,to B.too,that C.very,that D.so,that
too ,to结构(too ...to结构)
解题思路: too ...to结构
解题过程:
1.选C。意思是:对于我们来说,爬山太难了。too ...to结构
2.选D。意思是:这个问题太难了,我们没有人做出来。few of us 我们中没有人,表示否定意义
too...to...句型形式是肯定的,但表达否定意义,表示"太……而不能……"。too的后面接形容词或副词的原级,to的后面接动词原形,构成动词不定式。too...to...句型是简单句。例如:
  He is too young to join the army.他年龄太小,不能参军。
动词不定式的逻辑主语
  动词不定式所发出的动作,其执行者与整个句子的主语不同指一个人或物时,需要在动词不定式前加上一个逻辑主语(for sb.)。例如:
  The maths problem is too difficult for me to work out.这道数学题太难我不能解出它。
 so+形容词或副词+that ...引导的肯定的结果状语从句,意思是“如此……以致于……”。如:
  ―__________fine day it is today! ―Yes,the sunshine is__________beautiful that I'd like to go swimming in the sea. (2003青岛市) A. How, such B. What a, very C. How, so D. What a, so (答案为D。)
将too...to...结构转换为so...that...结构时要注意:①so...that...结构是复合句,so的后面接形容词或副词,that的后面接从句;②that后面的从句要用否定形式。例如:
  She is too young to do the work.→She is so young that she can't do the work.
最终答案:略