以水为工作介质的热管式空气预热器正常工作过程中,其水在热管内的变化过程有()。A、凝

题型:多项选择题

问题:

以水为工作介质的热管式空气预热器正常工作过程中,其水在热管内的变化过程有()。

A、凝固

B、蒸发

C、冷凝

D、挥发

考点:汽油加氢装置操作工考试高级汽油加氢装置操作工考试高级汽油加氢装置操作工考试题库
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Today is Tom’s birthday. His friends give him some birthday presents. They are very nice. There is a desk and a chair in his room. He puts(放) presents on them. A white watch and a black pencil box are on the desk. In the pencil box, there are pencils and pens. And a ruler is in the pencil box, too. Mary gives him a computer game for a present. He likes it very much.

小题1:The  underlined word (画线单词) means ________.

A.蛋糕

B.礼物

C.面包

D.贺卡小题2:There _______ in his room.

A. is a desk and some chairs

B. are some desks and a chair

C. is a desk and a chair.

小题3:What are in the pencil box?

A. Computer games

B. An eraser

C. Pencils, pens and a ruler

小题4:What color is his watch ?

A. White     B. Black      C. white and black

小题5:Who gives Tom a computer game ?

A. Mary      B. Mary’s friend   C. Tom’s sister

题型:多项选择题

对犯罪嫌疑人执行逮捕后,如果犯罪嫌疑人不讲真实姓名、住址、身份不明的,侦查人员无需呈请领导批准,可以决定不通知其家属。

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诊断阻塞性肺气肿,最有价值的是

A.PaO2低于正常

B.残气量肺总量>40%

C.第一秒用力呼气量用力肺活量<60%

D.最大通气量低于预计值的80%

E.潮气量低于预计值的80%

题型:多项选择题

高一年级将举办“读《论语》,谈交友”读书交流会,拟向参会者赠送纪念书签。请写一则赠言,用以印制书签。要求:①紧扣活动主题;②必须原创;③语言表达简明、得体;④不超过30字。(4分)

题型:多项选择题

建设工程设计管理采用直接管理模式的,其主要特点在于( )。

A.建设单位与设计单位没有合同关系

B.建设项目业主具有设计评审经验和判断能力

C.专业咨询公司与设计单位签订合同

D.建设项目业主不必建立工程设计管理机构

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