皮皮学，免费搜题
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【单选题】
下面不属于标准件的是（ ）
A.
紧固件、连接件、密封件
B.
导线、灯罩、底座
C.
滚动轴承、滚针轴承
D.
螺、型材
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举一反三
【单选题】以下情况引起的误差不属于系统误差的是( )
A.
蒸馏水中含有微量被测物质
B.
标定盐酸溶液用的NaOH标准溶液吸收了二氧化碳
C.
标定NaOH用的 部分风化
D.
读取滴定管读数时，最后一位数字几次读数不一致
查看完整题目与答案
【单选题】当风管与法兰采用点焊固定连接时，焊点应融合良好，间距不应大于（ ）mm；法兰与风管应紧贴，不应有穿透的缝隙或孔洞。
A.
80
B.
100
C.
120
D.
150
查看完整题目与答案
【单选题】A 65-year-old slightly cyanotic man presents to his physician complaining of ruritus and nose bleeds. A blood test reveals a hematocrit of 62%, leading to the diagnosis of polycythemia vera. Treatment...
A.
Reduces blood velocity
B.
Decreases cardiac output
C.
Reduces blood viscosity
D.
Increases arterial oxygen saturation
查看完整题目与答案
【单选题】下面哪种形式是绝对坐标的输入形式( )。
A.
(X,Y,Z)
B.
[X,Y,Z]
C.
X,Y,Z
D.
{X,Y,Z}
查看完整题目与答案
【单选题】1Kcal 相当于( ) Kg 水由 150C 升到 160C 时所需要的能量,
A.
1
B.
5
C.
10
D.
100
查看完整题目与答案
【单选题】A 50-year-old man has a history of chronic alcoholism, but he stopped drinking alcohol 10 years ago. He has been taking no medications. On physical examination, he is afebrile. The abdomen is not enla...
A.
Concentric “onion-skin” bile duct fibrosis
B.
Hepatic venous thrombosis
C.
Interface hepatitis
D.
Massive hepatocellular necrosis
E.
Periportal PAS-positive globule deposition
F.
Portal fibrosis with regenerative nodules
查看完整题目与答案
【单选题】A 65-year-old slightly cyanotic man presents to his physician complaining of ruritus and nose bleeds. A blood test reveals a hematocrit of 62%, leading to the diagnosis of polycythemia vera. Treatment...
A.
Decreases cardiac output
B.
Increases arterial oxygen saturation
C.
Reduces blood velocity
D.
Reduces blood viscosity
查看完整题目与答案
【单选题】A 50-year-old man has a history of chronic alcoholism, but he stopped drinking alcohol 10 years ago. He has been tak- ng no medications. On physical examination, he is afebrile. The abdomen is not enl...
A.
Concentric"onion-skin" bile duct fibrosis
B.
Hepatic venous thrombosis
C.
Interface hepatitis
D.
Massive hepatocellular necrosis
E.
Periportal PAS-positive globule deposition
F.
Portal fibrosis with regenerative nodules
查看完整题目与答案
【单选题】当风管与法兰采用点焊固定连接时,焊点应融合良好,间距不应大于( )mm。
A.
200
B.
150
C.
120
D.
100
查看完整题目与答案
【简答题】膨胀阀在汽车上的位置:文字表述+照片
查看完整题目与答案
相关题目：
【单选题】以下情况引起的误差不属于系统误差的是( )
A.
蒸馏水中含有微量被测物质
B.
标定盐酸溶液用的NaOH标准溶液吸收了二氧化碳
C.
标定NaOH用的 部分风化
D.
读取滴定管读数时，最后一位数字几次读数不一致
查看完整题目与答案
【单选题】当风管与法兰采用点焊固定连接时，焊点应融合良好，间距不应大于（ ）mm；法兰与风管应紧贴，不应有穿透的缝隙或孔洞。
A.
80
B.
100
C.
120
D.
150
查看完整题目与答案
【单选题】A 65-year-old slightly cyanotic man presents to his physician complaining of ruritus and nose bleeds. A blood test reveals a hematocrit of 62%, leading to the diagnosis of polycythemia vera. Treatment...
A.
Reduces blood velocity
B.
Decreases cardiac output
C.
Reduces blood viscosity
D.
Increases arterial oxygen saturation
查看完整题目与答案
【单选题】下面哪种形式是绝对坐标的输入形式( )。
A.
(X,Y,Z)
B.
[X,Y,Z]
C.
X,Y,Z
D.
{X,Y,Z}
查看完整题目与答案
【单选题】1Kcal 相当于( ) Kg 水由 150C 升到 160C 时所需要的能量,
A.
1
B.
5
C.
10
D.
100
查看完整题目与答案
【单选题】A 50-year-old man has a history of chronic alcoholism, but he stopped drinking alcohol 10 years ago. He has been taking no medications. On physical examination, he is afebrile. The abdomen is not enla...
A.
Concentric “onion-skin” bile duct fibrosis
B.
Hepatic venous thrombosis
C.
Interface hepatitis
D.
Massive hepatocellular necrosis
E.
Periportal PAS-positive globule deposition
F.
Portal fibrosis with regenerative nodules
查看完整题目与答案
【单选题】A 65-year-old slightly cyanotic man presents to his physician complaining of ruritus and nose bleeds. A blood test reveals a hematocrit of 62%, leading to the diagnosis of polycythemia vera. Treatment...
A.
Decreases cardiac output
B.
Increases arterial oxygen saturation
C.
Reduces blood velocity
D.
Reduces blood viscosity
查看完整题目与答案
【单选题】A 50-year-old man has a history of chronic alcoholism, but he stopped drinking alcohol 10 years ago. He has been tak- ng no medications. On physical examination, he is afebrile. The abdomen is not enl...
A.
Concentric"onion-skin" bile duct fibrosis
B.
Hepatic venous thrombosis
C.
Interface hepatitis
D.
Massive hepatocellular necrosis
E.
Periportal PAS-positive globule deposition
F.
Portal fibrosis with regenerative nodules
查看完整题目与答案
【单选题】当风管与法兰采用点焊固定连接时,焊点应融合良好,间距不应大于( )mm。
A.
200
B.
150
C.
120
D.
100
查看完整题目与答案
【简答题】膨胀阀在汽车上的位置:文字表述+照片
查看完整题目与答案