abstract：var speak ="hello world";alert(speak);
var speak ="hello world";
alert(speak);
Correcting teacher：韦小宝Correction time：2019-03-04 09:11:25
Teacher's summary：写的还讲的过去吧 就是太简单了 没事的时候要多去练习练习
abstract：var speak ="hello world";alert(speak);
var speak ="hello world";
alert(speak);
Correcting teacher：韦小宝Correction time：2019-03-04 09:11:25
Teacher's summary：写的还讲的过去吧 就是太简单了 没事的时候要多去练习练习
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