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【单选题】
( )是营销最基本的概念,是人类最基本的要求,是人们没有得到某些基本满足的感受状态。A.
需要
B.
需求
C.
欲望
D.
效用
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皮皮学刷刷变学霸
举一反三
【简答题】举例大连商品交易所工业品种和农业品种各一个并指出交易单位。
【简答题】阅读下面短文，根据短文内容用方框内所给词语的适当形式填空，使短文语义完整。(请你一定要注意词语的形式变化！) good, come, dress, parent, hold, something, how, necessary, feed, they Now lots of parents will buy everything that their children want to have...
【单选题】听力原文：M: I don't think we can finish the work today. W: Don't worry. John said he would come to help us. Q: What does the woman mean? (15)
A.
John should come to help them.
B.
They should go to help John.
C.
They cannot finish the work that day.
D.
They might finish the work that day.
【单选题】下列哪组细胞间相互作用时不受MHC限制
A.
NK细胞与肿瘤细胞
B.
CD8 + CTL细胞与肿瘤细胞
C.
Th细胞与B细胞
D.
巨噬细胞与Th细胞
E.
树突状细胞与Th细胞
【简答题】请使用形容词的适当形式填空: 1. Elle a de longs cheveux______ (brun). 2. Bon______(nouveau) an !
【单选题】— I don't know _____ now. — He is much better today. [ ]
A.
how is he
B.
how he is
C.
where is he
D.
where he is
【单选题】听力原文：M: I met Sam on the street today. W: Really? Did he say something about his sister? M: Yes. She ought to be leaving New York very soon, because her husband has taken a job in Los Angeles. What do...
A.
His sister will leave for New York.
B.
His sister will leave for Los Angeles.
C.
He will leave New York.
【单选题】28岁孕妇,停经3个月,宫底为脐耻之间,为明确诊断最好应做何种检查( )
A.
检查HCG
B.
胎盘生乳素测定
C.
B型超声检查
D.
X线拍片
E.
羊水甲胎蛋白测定
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