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【多选题】
关于主要矛盾、基本矛盾，下列选项中说法正确的是()。A.
要集中力量解决主要矛盾
B.
基本矛盾贯穿着事物发展的全过程
C.
主要矛盾都是基本矛盾
D.
主要矛盾对事物的发展起决定作用
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举一反三
【单选题】A limitation of calculating a bond portfolio’s duration as the weighted average of the yield durations of the individual bonds that compose the portfolio is that it:
A.
assumes a parallel shift to the yield curve.
B.
is less accurate when the yield curve is less steeply sloped.
C.
is not applicable to portfolios that have bonds with embedded options.
D.
空
【单选题】死锁预防是通过破坏产生死锁的四个必要条件来实现的，下列方法中属于“破坏请求与保持” 条件的是（ ）
A.
一次性分配策略
B.
资源有序分配策略
C.
银行家算法
D.
Spooling 技术
【单选题】A limitation of calculating a bond portfolio’s duration as the weighted average of the yield durations of the individual bonds that compose the portfolio is that it:
A.
assumes a parallel shift to the yield curve.
B.
is less accurate when the yield curve is less steeply sloped.
C.
is not applicable to portfolios that have bonds with embedded options.
【单选题】当酶促反应速度等于Vmax的80%时,Km与[S]关系是:
A.
Km=0.1[S]
B.
Km=0.25[S]
C.
Km=0.22[S]
D.
Km=0.40[S]
E.
Km=0.50[S]
【单选题】当酶促反应速度等于Vmax 的80%时,Km 与[S]关系是:
A.
Km =0.1[S]
B.
Km =0.25[S]
C.
Km =0.22[S]
D.
Km =40[S]
E.
Km =0.50[S]
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