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【单选题】
听力原文：M: Well, we'll certainly stay here again next time when we're passing through ! W: Good! Do let us know in advance. And we'll try to get you the same room. M: That would be lovely. It may be quite soon in fact. W: Oh, how's that 9 M: Well, we're driving to the south of Spain in the next couple of days and we may come back this week. W: Do give us a ring if you decide to. I hope you'll have a pleasant trip. Where does the conversation take place?A.
In a hotel．
B.
In a restaurant．
C.
At school．
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【单选题】行为流行病学研究的特点
A.
行为所导致的疾病是研究的主要变量
B.
作为病因的行为是不可逆的
C.
行为是受主观意识控制的
D.
在研究阶段中，行为具有不可逆性
E.
研究方法相对于其他流行病学方法是独特的
【简答题】路线纵断面--沿着中线____剖切,再行展开。
【简答题】给定两个命题公式A和B,设P1,P2 ,...,Pn为出现于A和B中的所有原子变元,若给P1 ,P2 ,...,Pn任一组真值指派, A和B的真值都(),则称A和B是等价的或逻辑相等。
【简答题】建设项目财务评价指标中动态指标有( )、( )、( )等。
【单选题】The monor taxa are made up of the categories of plants _____________ .
A.
from Kingdom to family
B.
below species
C.
above Genus
D.
below family
E.
above Order
【单选题】Which of the following is the arrangement of organisms into groups or taxa?
A.
nomenclature
B.
identification
C.
systematics
D.
classification
E.
phylogeny
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