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【单选题】
指令流水线将一条指令的执行过程分为4 步,其中第1、2和4步的经过时间为△t ,如图所示。若该流水线顺序执行50 条指令共用时153 △t ,并且不考虑相关问题,则该流水线的瓶颈第3 步的时间为( )△t。A.
2
B.
3
C.
4
D.
5
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反馈参考答案：
举一反三
【简答题】证券可以看成是各类记载并代表一定权利的（ ）。
【简答题】Fill in the blanks with the expreesions given below. Change the form where necessay. Each expression can be used only once. prepare for be bound to stand up for in favor...
【单选题】Which of the following types of pricing is most commonly used when transportation costs are relatively low and the seller wishes to sell in all geographic areas at one price?
A.
Free on board pricing
B.
Zone pricing
C.
Uniform delivered pricing
D.
Freight-absorption pricing
【单选题】When transportation costs are added to production costs, it becomes unprofitable to ship some products over a large distance. This is particularly true of products that:
A.
have a low value-to-weight ratio
B.
have a high value-to-weight ratio
C.
can be produced only in one region
D.
require locally-sourced raw materials
【判断题】When transportation costs are added to our trade model, the low-cost exporting country produces less, consumes more, and exports less than that which occurs in the absence of transportation costs.
A.
正确
B.
错误
【单选题】A2 题型】 患者突然心脏停搏,护士独自发现首选措施是
A.
尽快招呼医师来抢救
B.
推抢救车行电极除颤
C.
心肺基础复苏术
D.
给予吸氧,作好气管插管准备
E.
建立静脉通路,保证静脉给药途径
【判断题】When transportation costs are added to our trade model, the degree of specialization in production between two countries increases as do the gains from trade.
A.
正确
B.
错误
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