用放大倍率不低于五倍的放大镜观察裂缝的出现。()
参考答案:错
--Wow, isn’t this handsome device the most popular iphone5? Can I have a look at it? --______.
A.No, you can’t
B.Sorry, it’s expensive
C.Of course, it looks good
D.Yes, go ahead
旅客周转量