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【多选题】
在完全垄断市场结构的条件下,( )。A.
厂商所面临的市场对其产品的需求曲线就是产品的市场需求曲线
B.
垄断厂商的平均收益曲线,它是一条向右上方倾斜的曲线
C.
垄断厂商其产品销售量的增加,其平均收益上升
D.
资源配置效率最低
E.
厂商的边际收益一定小于平均收益
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【单选题】女,45岁,肢体软弱无力、夜尿多2年余,今晨起双下肢不能活动。查体:血压170/100mmHg,均匀性轻度肥胖,双下肢松弛性瘫痪,血钾2.4mmol/L。最可能的诊断为:
A.
原发性高血压
B.
嗜铬细胞瘤
C.
肾性高血压
D.
原发性醛固酮增多症
E.
库欣病
【单选题】女，45岁。肢体软弱无力、夜尿多2年余，今晨起双下肢不能活动。查：血压170／100mmHg，均匀性轻度肥胖，双下肢松弛性瘫痪，血钾2.4mmol／L。最可能的诊断为
A.
原发性高血压
B.
嗜铬细胞瘤
C.
肾性高血压
D.
原发性醛固酮增多症
E.
库欣病
【简答题】数控标准中规定平行于机床主轴的刀具运动坐标轴为____轴;_ _轴为水平方向且垂直于Z轴并平行于工件的装夹面;取刀具远离工件方向为坐标轴的 _ _方向。
【单选题】In order to cope with most illnesses, the author thinks that people will have to do all of the following except ______.
A.
find more curative rays
B.
produce more curative drugs
C.
develop more powerful diagnostic instruments
D.
see through five inches of living flesh at least
【单选题】The damaged building , so the people will have to look for other places to shelter themselves from the cold.
A.
is being repaired
B.
is repaired
C.
has been repaired
D.
was repaired
【单选题】无论哪一种数控机床都规定Z轴作为平行于主轴中心线的坐标轴，如果一台机床有多根主轴，应选择（）工件装卡面的主要轴为Z轴。
A.
平行于
B.
垂直于
C.
靠近于
D.
远离于
【单选题】How do many college graduates feel about their years of learning at college?
A.
What they learned was educational rather than personal.
B.
What they learned was more personal than educational.
C.
What they learned was more relevant to curriculum.
D.
What they learned had nothing to do with personal skills.
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