阅读下列代码,输出结果是: var num=1; function fun() { var num=2; function fun1() { var num=3; console.log(num); } function fun2() { console.log(num); } fun1(); fun2(); } fun(); console.log(num);
A.
3 1 1
B.
3 2 1
C.
3 1 2
D.
3 3 1
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参考答案:
举一反三
【单选题】听力原文:This is Newton magazine and Review on radio FM 107. I am your host Scott Gormez. On today's show we will be talking with Dr. Ellis Lee, professor of organic chemistry at Royal Science University....