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【单选题】
What is true about SYN cookies？（）A.
All TCPoptions are supported， such as largewindows.
B.
The server can have more than8 unique MSS values.
C.
SYN cookies are not implemented as a method of defending against SYN floods.
D.
SYN cookies are implemented as a method of defending against SYN floods.
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举一反三
【单选题】Even if you ____able to come yesterday, you should have let us know.
A.
could not be
B.
can not be
C.
can have not been
D.
had not been
【简答题】某产品制造商给销售其产品的中间商报价为 “100 元,折扣 20% 及 10%” ,即卖给批发商的价格是 80 元,卖给零售商的价格为 90 元。这种定价策略属于
【单选题】Even if you had not been able to see her, you ______ us.
A.
told
B.
had told
C.
should tell
D.
should have told
【单选题】患者,女,38岁,子宫恶性肿瘤入院接受治疗。影像学检查显示:已有腹部其他脏器和淋巴结的转移。不引流子宫淋巴的淋巴结是哪项
A.
髂外淋巴结
B.
髂内淋巴结
C.
骶淋巴结
D.
髂总淋巴结
E.
腹股沟深淋巴结
【单选题】262 某产品制造商给销售其产品的中间商报价为“100元,折扣20%及10%”,即卖给批发商的价格是80元,卖给零售商的价格为90元。这种定价策略属于
A.
现金折扣
B.
数量折扣
C.
功能折扣
D.
差别折扣
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