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问题 选择题

—Yummy! The coffee is good.

—That’s right .It will taste ________with some milk.

A．good

B．better

C．best

D．the best

答案

答案：B

题目分析：句意：这咖啡真好喝！时的，和牛奶一起会更好喝的。结合句意，故选B

单项选择题

Prior to the availability of enterprise EDM, locating a document over a LAN could be difficult, and over a WAN (1) nearly impossible. With the model for collaborative work spreading, and with more users sharing (2) documents through e-mail and the Internet, enterprise EDM had become a necessity.

Many businesses are finding their greatest competitive advantage is the ability to harness the document (3) lifecycle. EDM systems manage this lifecycle from creation, revision, storage and (4) retrieval to routing and workflow. They also allow users to work on documents collaboratively.

Reusability of information is EDM’s main benefit, as well as the key to creating the paradigms that drive business process (5) reengineering.

2（）

A．format

B．documents

C．text

D．network
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多项选择题

在双代号网络图计算中，自由时差的特点为（）

A、自由时差为零的工作即为关键工作

B、自由时差不等于总时差

C、以关键线路上的节点为结束节点的工作，其自由时差必与总时差相等

D、使用自由时差不能影响紧后工作最早开始时间

E、自由时差是一项工作的最迟开始时间与最早开始时间的差值
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