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【多选题】
下列关于过程方向和限度的判据的描述正确的是
A.
熵判据只适用于孤立系统
B.
熵判据只适用于封闭系统
C.
吉布斯判据适用条件为封闭系统,非体积功为零,等温等压过程
D.
亥姆霍兹判据适用条件为封闭系统,非体积功为零,等温等容过程
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【单选题】'_____ has Mary been playing the piano?' 'For three and a half hours.' [     ]
A.
How soon
B.
How long
C.
How far
D.
How often
【单选题】------How long has Mary played piano? -----She _________ it since ten years ago.
A.
have played
B.
has played
C.
played
【单选题】某评测机构A承接了公司B开发的ERP软件的测试工作,负责该项目的软件评测师甲,为了提高自己在ERP方面的知识,向A机构的负责人提出要到开发ERP软件的公司D做兼职开发工作的请求。当测试工作正在进行时,B公司为了申报某科技奖项,希望A机构能先出具一个证明其软件质量优秀的测试报告,并且口头承诺测试会继续进行,并且测试过程中发现的问题都会得到改正。如果你是机构A的负责人,对于评测师甲的请求,你将(38)...
A.
不批准甲的请求
B.
批准甲的请求,但是要求甲不能透露B公司的信息
C.
不批准甲的请求,但是建议甲可以到B公司做兼职开发工作
D.
批准甲的请求,并要求甲尽陕提高自己在ERP方面的知识,为公司多做贡献
【多选题】吗啡引起低血压的主要原因有()
A.
中枢性血管扩张
B.
心肌抑制
C.
迷走神经兴奋性增加
D.
迷走神经兴奋性降低
E.
组胺释放引起的血管舒张
【简答题】How long has Mary played piano?She _________ it since ten years ago.A. have played B. has played C. played
【单选题】基础埋置深度超过5m,施工方法复杂的基础称为 ( )。
A.
浅基础
B.
深基础
C.
柱下独立基础
D.
柱下条形基础
【单选题】吗啡引起低血压的原因
A.
阻断 α 受体
B.
抑制去甲肾上腺素释放
C.
抑制血管平滑肌
D.
激动β受体
E.
激动M受体
【单选题】—How long has Mary ______ Johnson? —I don’t know. I even don’t know that they had ______.
A.
been married with; married
B.
married with; married
C.
married to; married
D.
been married to; got married
【单选题】How long has Mary been away?
A.
For two years
B.
For three years
C.
For five years
【单选题】How long has Mary been like this?
A.
Since two days ago.
B.
Since three days ago.
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