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【多选题】
丙磺具有的生理活性为A.
抗痛风
B.
解热镇痛
C.
与青霉素合用，可增强青霉素的抗菌作用
D.
抑制对氨基水杨酸的排泄
E.
抗菌药物
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举一反三
【多选题】Classical economics came into being three hundred years ago, including ( ).
A.
The Physiocratic School
B.
The Economic theories of Smith and Ricardo
C.
John Mill's Economics
D.
Keynesian Economics
【单选题】车床数控系统中,用( )指令进行恒线速控制。 A、G50 S_ B、G96 S_ C、G01 F D、G97 S_
A.
G50 S＿
B.
G96 S＿
C.
G01 F
D.
G97 S＿
【多选题】The far-reaching influences on the development of economic thought from David Ricardo are ( ). developing classical economics to a new peak
A.
developing classical economics to a new peak
B.
a far-reaching influence on the development of western economics
C.
Marx called Ricardo the terminator of English classical political economy
D.
improving the economic achievements of predecessors
【单选题】I have known him _________ he was a boy of eight years old.
A.
when
B.
since
C.
before
D.
while
【单选题】I have known him _________ he was a boy of eight years old.
A.
when
B.
since
C.
before
D.
While
【简答题】附件 3(4) 页 要求用圆钢 ( 实料 ) 加工一个调节套 ( 件 12) 作为备件使用。 为什么在数控车床上车调节套 ( 件 12) 端面时优先选用 G96 而不是 G97 指令?请回答并说 明理由!
相关题目：
【单选题】I have known him _________ he was a boy of eight years old.
A.
when
B.
since
C.
before
D.
while