The one thing to remember when you are about start your job is that ________.
A. you have a really cool job.
B. you are going to have a great time.
C. you shouldn't expect everything to be perfect in your job.
D. you are not going to earn as much money as you expect.
查看答案
What you should expect from your summer job is ______.
A. the money to earn.
B. the experience to gain.
C. the contacts to make
D. all of the above.
G(a,b:α）表示
A. 一个不确定的量，其可能出现的值为a, b。期中出现的概率是α。
B. 不确定的量
极差在一定程度上能够度量风险的大小。
A. 对
B. 错
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