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(本题4分)简述蜂蜜的卫生及管理。

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参考答案：

选择题
若函数f(x+2)=
tanx(x≥0)
lg(-x)(x＜0)
，则f(
π
4
+2)•f(-98)等于（　　）
A．
1
2
B．-
1
2
C．2D．-2
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作文。

同学们，请写一下我们国家的传统节日春节。

注意：条理清楚，语句通顺，意思连贯，标点正确，至少写五句话。

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