皮皮学，免费搜题
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【单选题】
病毒式营销的( )是最重要的,如果没有它,一切都无从谈起。A.
软文质量
B.
传播受众
C.
广告
D.
传播载体
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A surprising amount can be learned in a short time by those who have clear objectives and are prepared to work consistently, providing that they clear their mind of some prevalent misconceptions.
【判断题】In US and UK, students beginning in a school are grouped into classes and they remain in those classes for the entire time in that school.
A.
正确
B.
错误
【单选题】In a few time, those mountains will be covered with trees.
A.
year
B.
years'
C.
year's
D.
years
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