为网络数据交换而制订的规则、约定和标准称为______。A.协议 B.体系结构 C.

题型:单项选择题

问题:

为网络数据交换而制订的规则、约定和标准称为______。

A.协议

B.体系结构

C.网络拓扑

D.参考模型

考点:计算机等级考试MSOffice一级MSOffice笔试312
题型:单项选择题

________ was expected,only five people turned up at the party,________ disappointed the hostess very much.

A.As;which

B.As;that

C.It;that

D.It;which

题型:单项选择题

湿陷、溶陷、融陷,属于黄土地基特征的是( )。

A.

(A) 溶陷

B.

(B) 湿陷

C.

(C) 融陷

题型:单项选择题

对项目成果进行评价是在项目管理的()中完成的。

A.收尾过程

B.计划过程

C.执行过程

D.启动过程

题型:单项选择题

Optimism is the art of always seeing the glass half full (1) half empty, finding something positive in even the most (2) of situations and last but not least the ability to expect the best even if the chances are (3) . It enables you to try new things, deal with failure as a learning experience (4) a stopping point. In general optimism gives you a reason to live. The world would be a better place if it was full of optimism, (5) unfortunately the trend in today’s youth is (6) the opposite way. Today it is (7) to be pessimistic. One could spend hours discussing how we arrived at this point, (8) our youth refuses to smell the roses and instead prefers to (9) themselves on their own pessimistic (10) .

Optimism is not an (11) gift but rather a learned behavior (12) . Like most behaviors optimism is best learned by watching examples, (13) you. The first step in creating a generation of people with a positive outlook on life, is to (14) life on the bright side yourself. (15) it would be wrong to (16) your child from all negativity, it is important that you are not the (17) of doubts and worries. Finding something positive in a negative situation needs to be (18) Show how to make the best of things by always (19) the positive, by encouraging your child after a(n) (20) and by explaining over and over that failure is just a part of progress.

19()

A. focusing on

B. adhering to

C. turning to

D. pointing out

题型:单项选择题

层面构造

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