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【简答题】
More than half a million Canadians fought in Europe during the Great War, and 65,000 of them lost their lives. Many of them died in Flanders (Belgium) where some of the fiercest fighting took place. In May 1915, one of them, an army doctor called John MacRae, tried to express his feelings when a close friend was killed in battle. In just a few minutes he wrote a poem about the poppies growing by the side of his friend’s grave and across the whole battefield. The poem became popular when it was published in December 1915. Today, the poppy has become a symbol of the Great War. People wear poppies on their coats when they attend Remembrance Day ceremonies, and place wreaths made of poppies on war memorials. For some people, the poppy represents blood and death; for others, release from pain; and for still more, a sign of rebirth and life. But they all believe it is an appropriate way of showing respect to millions of soldiers who gave their lives for others (Greenall & Wen, eds. New Standard English Book II, p.8).Which pattern, deductive or inductive, does the paragraph follow?
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【多选题】关于TLB和Cache,下面哪些说法中正确的是( )
A.
TLB 和 Cache 中存的数据不同
B.
TLB 访问缺失(miss) 后,可能在 Cache 中直接找到页表内容
C.
TLB miss 会造成程序执行出错,但是 Cache miss 不会
D.
TLB 和 Cache 都采用虚拟地址访问
【多选题】关于失访,下面哪些是正确的
A.
失访是指研究对象因出现结局事件之外的任何原因退出研究
B.
计算样本量时,应考虑失访比例
C.
暴露组和对照组的失访比例相同时,不会引起偏倚
D.
研究对象失访比例过高,会高估研究因素与研究疾病之间的联系
E.
失访引起的偏倚属于选择偏倚
【单选题】Who is ________the fire in the kitchen?
A.
blame
B.
to blame for
C.
blamed
D.
blame for
【判断题】blame sb for sth责怪某人
A.
正确
B.
错误
【单选题】当交易达成之前存在不对称信息时,会出现()问题。
A.
交易成本增加
B.
道德风险
C.
逆向选择
D.
帕累托有效
【单选题】It's you, rather than he, that___ for the accident. [     ]
A.
is to blame
B.
are to blame
C.
is blame
D.
are blame
【单选题】当交易达成之前存在不对称信息时,会出现()问题。
A.
道德风险
B.
帕累托有效
C.
逆向选择
D.
交易成本增加
【单选题】Who is ______ starting the bush fire?
A.
blame
B.
to blame for
C.
blamed
D.
blame for
【简答题】测量齿距偏差的方法有绝对法和相对法,如图所示的测量是一种( )法测量。
【判断题】当市场交易中存在非对称信息时,均衡的结果不再是帕累托有效的。当交易达成之前存在非对称信息时,会出现逆向选择(adverse selection)问题;当交易达成之后存在非对称信息时,会出现道德风险(moral hazard)问题。( )
A.
正确
B.
错误
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