皮皮学,免费搜题
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【简答题】
Task 1 Self-introduction 1. What’s your name? 2. Where are you from? 3. What’s your major? 4. What’s your personality? (outgoing, introvert, quiet, optimistic, pessimistic, hard-working, interesting....) 5. Do you have any plans after graduation? What are they?
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举一反三
【单选题】Let me ______ two of many reasons for this concern. (U2—B)
A.
understand
B.
undermine
C.
underestimate
D.
underscore
【单选题】Bacterial pili are involved in ( )
A.
Adherence to host cells
B.
Motility.
C.
Resistance to heat.
D.
Resistance to phagocytosis.
E.
Endotoxic activity.
【简答题】旅游市场是什么? 请将下面的大白话改成书面化的营销概念。旅游市场是一群有钱有闲世界那么大我想去看看的人。
【简答题】某工厂现有原料甲360千克,原料乙290千克,用这两种原料生产A、B两种产品共50件,已知生产一件A需用甲原料9千克,乙原料3千克,同时获利700元,生产一件B产品需甲原料4千克,乙原料10千克,同时可获利1200元. (1)设生产A产品x件,求总获利y元与x的函数关系式 (2)根据现有的原料有几种生产方案?并求出哪种方案获利最大?
【简答题】某厂有甲原料360千克,乙原料290千克,计划用它们生产A、B两种产品共计50件,已知生产一件A需要甲原料9千克、乙原料3千克,可获得利润700元,生产一件B需要原料甲4千克,原料乙10千克,可获得利润1200元,为了使利润最大,应该分别安排生产产品A、B多少件数?
【简答题】bacterial—
【单选题】Let me ______ two of many reasons for this concern,
A.
understand
B.
undermine
C.
underestimate
D.
underscore
【简答题】世界那么大,我想去看看。
【判断题】Bacteriophages are bacterial parasites, but they can grow or replicate without bacterial cells.
A.
正确
B.
错误
【单选题】Let me give you a word or two of advice, ?
A.
shall we
B.
shall not I
C.
will you
D.
shan’t we
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