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【判断题】
优哉游哉:优,本义为“吃饱了”,引申为“有余、悠闲”。“优哉游哉”,形容悠闲自在。 90.优柔寡断:优,由“悠闲”引申为“犹豫”。A.
正确
B.
错误
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举一反三
【简答题】设有如下简单经济模型：Y=C+I+G ，C=80+0.75Yd ，Yd=Y-t ， T=-20+0.2Y ，I=50+0.1Y ，G=200 式中，Y为收入;C为消费;Yd为可支配收入;T为税收;I为投资;G为政府支出。 试求：收入、消费、投资与税收的均衡值及投资乘数。
【简答题】某经济体C=100+0.8(Y-T)，I=200-1000i，G=T=550，货币需求M d =Y-10000i，实际货币供给量M=900。
【单选题】Two main factors are necessary to create a stable foam , they are ( ):
A.
van der Waals force
B.
a repulsive force between the two film surfaces across the water film;
C.
a mechanism to induce surface elasticity in the film to protect against mechanical disturbances.
D.
不知道
【单选题】According to Michael Porter, what are the two main factors which can lead to a significant competitive advantage?
A.
Low costs and differentiated products.
B.
Bad product performance and low switching costs.
C.
High costs and differentiated products.
D.
Good product quality and high substitute availability.
【多选题】Two main factors are necessary to create a stable foam , they are ( ):
A.
van der Waals force
B.
a repulsive force between the two film surfaces across the water film
C.
a mechanism to induce surface elasticity in the film to protect against mechanical disturbances.
D.
不知道
【单选题】犬,突然发病,食欲不振,反复呕吐,粪便中有少量未消化食物,色黄;触诊其腹部 异常敏感,体温40.2°C,实验室检查首选项目是
A.
肌酸激酶
B.
白细胞计数
C.
红细胞计数
D.
血液淀粉酶
E.
丙氨酸氨基转移酶
【简答题】There are two main factors affecting graphitization including,and .
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