_______ Anxiety can help us focus and tell us what we’re doing is important.
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__________ When you speak to an audience, fundamentally your job is to make your audience understand what you are saying.
_________ The speaker thinks that though we should learn to manage anxiety, it is OK to be anxious.
商圈调查方式主要有哪些( )
A. 访问法
B. 观察法
C. 试销法
D. 试营法
用数组名作为函数调用时的实参,实际上传送给形参的是( )
A. 数组首地址
B. 数组的第一个元素值
C. 数组中全部元素的值
D. 数组元素的个数
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