选择题：a first time &the first time 用法

题目

选择题：a first time &the first time 用法
-I hear Chinese pair Shen Xue,Zhao Hongbo won the gold medal at the Vancouver Winter Olympic Games on Feb.15,2010.
-Yeah.And it is___first time that___Asian pair won the gold medal in winter Olympics history.
A.the;the B.the;an C.a;an D.a;the
I've tired twice,but failed.I want to try___.
A.three times B.a third time C.the third time D.third times
第二题选B,其中有序数词前用a的用法 那么第一道选择中选择是the first time还是a first time 具体区分 说明一下 谢谢!

答案

1B2B
因为1.这里是特指这是亚洲人在冬季奥运会双打的历史上第一次获得冠军.所以要用the first time.
2.这句话的意思是：我已经试过了两次,但是我失败了.我想再试一次（这次是第三次了）.因为这次的第三次不是特指,说不定什么时候进行,所以用a third time .
通过1和2的讲解我想你能够分清 the first time和a first time 的区别了.