皮皮学，免费搜题
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搜题
【单选题】
可以作为记账依据的单据( )。A.
请购单
B.
购销合同
C.
提货单
D.
发票
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Please talk about you ideas about the “three represents”.
【单选题】Please talk to me about ______ is troubling you.
A.
however
B.
wherever
C.
whatever
D.
whenever
【简答题】您(),新卡马上就好。
【单选题】Please write and __________ me about your school. [ ]
A.
tell
B.
speak
C.
see
D.
talk
【简答题】Please talk about you ideas about“three represents".
【简答题】Please talk about you ideas about The Secretariat.
【多选题】关于双层平板法描述正确的是
A.
噬菌斑在同一平面，不存在重叠，便于观察
B.
上层琼脂成分低，噬菌斑长得大
C.
克服了平板底部凹凸不平的缺点
D.
噬菌体效价最常用的测定方法
E.
检测的是具有感染性的噬菌体
【单选题】If you ______ talk about it with me, please wait till I finish my work at hand.
A.
can
B.
may
C.
must
D.
should
相关题目：
【单选题】Please talk to me about ______ is troubling you.
A.
however
B.
wherever
C.
whatever
D.
whenever