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【单选题】
商务数据分析的微观分析内容包括精准广告投放、营销渠道、流量来源和（ ）A.
· 行业周期
B.
· 用户行为
C.
行业行为
D.
· 营销预测
拍照语音搜题，微信中搜索"皮皮学"使用
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A.
As if
B.
So that
C.
Even if
D.
Now that
【判断题】If you have a bad time with your parents, you can go to a pub and talk about it with your friends.
A.
正确
B.
错误
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A.
borrow; for
B.
borrow; from
C.
lend; from
D.
lend; to
【简答题】当温度升高时,三极管的等电极电流I____,发射结压降UBE____。
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