the math problem is difficult.I'll try very hard to work it out．( )A．ThoughB．WhenC．BeforeD．After 题目和参考答案——青夏教育精英家教网—

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19．__________the math problem is difficult，I'll try very hard to work it out．（　　）

A．

Though

B．

When

C．

Before

D．

After

分析虽然这个数学题很难，但是我将尽力把它解答出来．

解答答案：A．
根据语境以及上下文，本题考查的是连词的用法．根据设空处前后句的句意"这个数学题很难"和"我将尽力把它解答出来．"，在这里两个句子之间存在一个相反的让步关系，though"虽然；尽管"，引导让步状语从句，符合句意．故选A

点评本题主要考查连词的用法，做此类题目一定要弄清句意，明白上下文之间的关系，才能更好地判断出所要用的连词．再就是要熟记固定短语和句型．

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根据上面短文的内容回答问题．
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