試題1

SMTP傳輸的郵件報文采用( )格式表示。
A．ASCII
B．ZIP
C．PNP
D．HTML

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試題2

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試題3

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試題4

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試題5

循環(huán)鏈表的主要優(yōu)點是（ ）。
A、不再需要頭指針了
B、已知某個結點的位置后，能很容易找到它的直接前驅結點
C、在進行刪除操作后，能保證鏈表不斷開
D、從表中任一結點出發(fā)都能遍歷整個鏈表

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試題6

若一棵二叉樹的高度（即層數）為h，則該二叉樹（ ）。
A．有2^h個結點
B．有2^h-1個結點
C．最少有2^h-1個結點
D．最多有2^h-1個結點

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試題7

why have formal documents 
first, writing the decisions down is essential.Only when one writes do the gaps appear and the    (1)    protrude(突出).The act of writing turns out to require hundreds of mini-decisions.and it is the existence of these that distinguishes clear.exact policies from fuzzy ones.
Second.the documents will communicate the decisions to others. The manager will be continually amazed that poliaes he took for common knowledge are totally unknown by some member of his team . Since his fundamentaljob is to keep everybody going in the  (2)directon. his chief daily task will be communication, not decision-making,and his documents will immensely   (3)   this load.
Finally.a manager,s documents give him a data base and checklist. By reviewing them (4)he sees where he is. and he sees what changes of emphasis or shifts in direction are needed.
The task of the manager is to develop a plan and then to realize it. But only the written plan is precise and communicable. Such a plan consists of documents on what.when. how much.where.and who.This small set of critical documents  (5)  much of the manager.s   work.if their comprehensive and critical nature is recognized in the beginning. the manager can approach them as friendly tools rather than annoying busywork. He will set his direction much more crisply and quickly by doing so.
（1）A.inconsistencies
B.consistencies
C.steadiness
D.adaptability
（2）A.other
B.different
C.another
D.same
（3）A.extend
B.broaden
C.lighten
D.release
（4）A.periodically
B.occasionally
C.infrequently
D.rarely
（5）A.decides
B.encapsulates
C.realizes
D.recognizes

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試題8

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試題9

某指令流水線由5段組成，各段所需要的時間如下圖所示。

連續(xù)輸入10條指令時的吞吐率為（ ）。
A．15/120△t
B．15/50△t
C．15/45△t
D．15/80△t

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試題10

單元測試中，檢驗模塊接口時，不需要考慮( )。
A．測試模塊的輸入參數和形式參數在個數、屬性、單位上是否一致
B．全局變量在各模塊中的定義和用法是否一致
C．輸入是否改變了形式參數
D．輸入參數是否使用了尚未賦值或者尚未初始化的變量

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