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【单选题】
慢性肾炎高血压的治疗哪项是错误的A.
力争把血压控制在理想水平：130／80mmHg以下
B.
选择延缓肾功能恶化，具有肾保护作用的降压药
C.
限盐<3g/D，有钠、水潴留可选用噻嗪类利尿药
D.
可用钙离子通道阻断药
E.
甘露醇静脉滴注
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【简答题】Options are the most versatile trading instrument ever invented. Since optons cost less than stock, they provide a high leverage approach to trading that can significantly limit the overall risk of a ...
【单选题】蜗轮蜗杆的正确啮合条件是？
A.
m t2 = m a1 = m
B.
α a2 = t 1 = α
C.
m a2 = m t1 = m
D.
α t2 = α a2 = α
【简答题】蜗轮蜗杆正确啮合的条件是什么？
【多选题】蜗轮蜗杆正确啮合的条件是：蜗杆 [填空(1)] 和 [填空(2)] 应分别等于蜗轮[填空31)]和 [填空(4)] 。
A.
轴向模数
B.
轴向压力角
C.
端面模数
D.
端面压力角
【单选题】Foreign currency ___________ are forward transactions with standard contract sizes and maturity dates.
A.
spot transactions
B.
forward transations
C.
futures
D.
options
【简答题】蜗轮蜗杆正确啮合的条件?
【单选题】________ are in essence an insurance contract against the default of one or more borrowers.
A.
Credit default swaps
B.
CMOs
C.
ETFs
D.
Collateralized debt obligations
E.
All of the options
【多选题】蜗轮蜗杆的正确啮合条件是？
A.
m t2 = m a1 = m
B.
α a2 = t 1 = α
C.
m a2 = m t1 = m
D.
α t2 = α a1 = α
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