试题与答案

生坯所含的水分包括()。干燥时,被排除的是坯体的自由水,干燥过程中分为以下几个阶段升

题型:填空题

题目:

生坯所含的水分包括()。干燥时,被排除的是坯体的自由水,干燥过程中分为以下几个阶段升速阶段,等速干燥阶段,降速干燥阶段,平衡阶段。其中等速干燥阶段最为重要,因为在这个阶段坯体发生()。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D解析: D/A转换器由四部分组成:电子开关KI~Kn,即模拟开关;产生二进制权电流(电压)的电阻网络;加法放大器;基准电源。所以传感器不是D/A转换器的组成部分。

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May the first is an important date in the college admission process in the United States. This is the last day for high school seniors to accept or reject offers of admission in the fall. But according to a recent report, there is a great change. Acceptance rates at the top colleges this year were lower than ever. 小题1:       

These days, college applicants are applying to more colleges because online and common applications make the process easier. 小题2:         On the other hand, deciding students for top colleges to accept can be difficult because it takes much time. Students may not like being put on waiting lists. Also, common colleges work more to get the students they accept to accept them. Some colleges hold visiting days that offer a chance to attend classes and stay overnight. Some universities send gifts. 小题3:       .

For many families, the most important thing colleges can do is to show them the money, especially this year; the weak economy makes parents nervous. 小题4:       . The recent problems that spread from the housing market to credit markets have even affected student’s loans. So lately, top schools have to spare lots of money to increase their financial aid for students.

 小题5:        . The Education Department expects the number of high school graduates to start to go down. This will happen as the last of the children of the baby boom generation finishes high school. The number is not expected to start rising again until 2015.

A.Besides, top colleges are facing changes in the population.

B.What contributes to it?

C.But a mistake can be costly if it happens.

D.But top colleges ignore them.E. They have international students who know English.

F. It can mean several acceptances to choose from.

G. They cannot afford college as planned.

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