题目内容
5．Alan can't the math problem because it's very difficult．（ ）| A． | take out | B． | work out | C． | find out | D． | set out |
分析 艾伦不能算出这道数学题，因为它太难了．
解答 答案：B．
take out取出；work out解决；find out找出；set out出发．根据Alan can't the math problem，可知这里应该说解决难题，work out解决．故选B．
点评 理解句意和正确区分选项中四个词组的意思是做题的关键．
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