皮皮学，免费搜题
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搜题
【单选题】
能防止冬虫夏草虫蛀常用的药材为：A.
泽泻
B.
鹿茸
C.
西红花
D.
白芷
E.
川芎
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
【单选题】If you want to persuade a skeptical audience, which of the following is it most important for you to do in your speech?
A.
Define unclear terms in the introduction.
B.
Answer the readons for the audience's skepticism
C.
Organize the speech in problem-solution order.
D.
Focus the speech on questions of value.