晶体的凝固过程与熔化过程____,晶体在凝固过程____ 热,但温度____,同

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问题:

晶体的凝固过程与熔化过程____,晶体在凝固过程____ 热,但温度____,同一种晶体的熔点和凝固点是____的。

考点:熔化的规律及其特点凝固的规律及其特点
题型:填空题

首字母填空。

     School education(教育) is very important and useful. Yet no one can l  1   everything at school and a

teacher can't teach his students e  2   they want to know. His job is to s  3   his students how to learn. He

teaches them how to read and how to think. So the students can learn much more by t  4  .

     It is more i  5      to know how to study by  oneself.  It's quite easy to learn something, but it's difficult

to u  6   it to solve problems. Great inventors  do  not get everything from school, but they still can invent

many things and change the world a l  7  .

     How can the inventors do all of this? That's b  8      they know how to  study. A lot of things are not

taught in the classroom. They   get a lot of knowledge by reading o  9     school. They  work  hard  and

never g  10   up all their lives.

1. l         2.e         3. s         4.t         5. i          

6. u             7.l           8.b         9.o         10.g          

题型:填空题

货车满载工作是什么?

题型:填空题

热电偶测温原理基于()

A、热阻效应

B、热磁效应

C、热电效应

D、热压效应

题型:填空题

* * 有大量脓性泡沫状白带,最常见的疾病是:

A.子宫内膜炎

B.输卵管炎

C.滴虫性 * * 炎

D.细菌性 * * 病

E.真菌性 * * 炎

题型:填空题

下列物质摄入过多可升高血液胆固醇含量.促进动脉粥样硬化和冠心病发生的危险性最大的是()

A.必需脂肪酸

B.不饱和脂肪酸

C.顺式脂肪酸

D.反式脂肪酸

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