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问题
判断题
包车客运按照其经营区域分为省际包车客运和省内包车客运，省内包车客运分为市际包车客运、县际包车客运和县内包车客运。
答案
参考答案：对
选择题
—Lucy has been fired by her boss.
—
She is late for work five times a week!
A．Hardly surprising!
B．Forget it.
C．How come?
D．Who knows?
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解答题
已知
cos(
π
2
+α)=2sin(α-
π
2
)
，求
sin
3
(π-α)+cos(α+π)
5cos(
5π
2
-α)+3sin(
3π
2
-α)
的值．
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