下载APP
【单选题】
A．3.85m/s
B．3.55m/s
C．4.25m/s
D．4.65m/s
A.
用水银比压计量测管中水流，如下图所示，测得A点的比压计读数△h=60mm汞柱。则过流断面中点的流速u=（）。
B.
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】男性患者，18岁，因发热一周后出现眼睑及双下肢水肿，尿少，尿常规检查，WBC(++)/HP。RBC+/HP，尿蛋白(+++)，可见颗粒管型，该患者的蛋白尿类型是
A.
生理性蛋白质尿
B.
体位性蛋白尿
C.
假性蛋白尿
D.
肾前性蛋白尿
E.
病理性蛋白尿
【单选题】52(). A．increase B．fall C．reduce D．no
A.
Bringing Art into Hospitals
B.
The medical world is gradually realizing that the quality of the (36) in hospitals may play an important (37) to help patients to get better.
C.
As (38) of nationwide effort in Britain to bring (39) out (40) the museums and into (41) places, some of the country’s best artists have (42) in to change older hospital and to soften the (43) edges of modern buildings. Of the 2500 national health service hospitals in Britain, almost 100 now have very valuable collections of present art in passages, waiting areas and treatment rooms.
D.
These recent movements first (44) by one artist, Peter Senior, who set up his studio at a Manchester hospital on northeastern England during the early 1970s. He felt the artist had lost his place in modern society, and (45) he should be enjoyed by a wider audience.
E.
A common hospital waiting room might have (46) 5 000 visitors each week, what a better place to hold regular exhibitions of art! Senior held the first exhibition of his own paintings in the out-patients waiting area of the Manchester Royal Hospital in 1975. Believed to lie Britain’s first hospital artist, Senior was so much (47) that he was soon joined (48) a team of six young art school graduates.
F.
The effect is (49) , now in file (50) and waiting rooms the visitors (51) a full view of fresh colors, playful images and restful countyards.
G.
The quality of the environment may (52) the used for expensive drugs when a patient is (53) from all illness. A study has shown that (54) who halt a view onto garden needed half the number of strong pain killers compared (55) patients who had no view at all or only a brick wall to look at.
【单选题】45(). A．for B．since C．that D．though
A.
Bringing Art into Hospitals
B.
The medical world is gradually realizing that the quality of the (36) in hospitals may play an important (37) to help patients to get better.
C.
As (38) of nationwide effort in Britain to bring (39) out (40) the museums and into (41) places, some of the country’s best artists have (42) in to change older hospital and to soften the (43) edges of modern buildings. Of the 2500 national health service hospitals in Britain, almost 100 now have very valuable collections of present art in passages, waiting areas and treatment rooms.
D.
These recent movements first (44) by one artist, Peter Senior, who set up his studio at a Manchester hospital on northeastern England during the early 1970s. He felt the artist had lost his place in modern society, and (45) he should be enjoyed by a wider audience.
E.
A common hospital waiting room might have (46) 5 000 visitors each week, what a better place to hold regular exhibitions of art! Senior held the first exhibition of his own paintings in the out-patients waiting area of the Manchester Royal Hospital in 1975. Believed to lie Britain’s first hospital artist, Senior was so much (47) that he was soon joined (48) a team of six young art school graduates.
F.
The effect is (49) , now in file (50) and waiting rooms the visitors (51) a full view of fresh colors, playful images and restful countyards.
G.
The quality of the environment may (52) the used for expensive drugs when a patient is (53) from all illness. A study has shown that (54) who halt a view onto garden needed half the number of strong pain killers compared (55) patients who had no view at all or only a brick wall to look at.
【单选题】43(). A．hard B．splendid C．shortcomings D．harding
A.
Bringing Art into Hospitals
B.
The medical world is gradually realizing that the quality of the (36) in hospitals may play an important (37) to help patients to get better.
C.
As (38) of nationwide effort in Britain to bring (39) out (40) the museums and into (41) places, some of the country’s best artists have (42) in to change older hospital and to soften the (43) edges of modern buildings. Of the 2500 national health service hospitals in Britain, almost 100 now have very valuable collections of present art in passages, waiting areas and treatment rooms.
D.
These recent movements first (44) by one artist, Peter Senior, who set up his studio at a Manchester hospital on northeastern England during the early 1970s. He felt the artist had lost his place in modern society, and (45) he should be enjoyed by a wider audience.
E.
A common hospital waiting room might have (46) 5 000 visitors each week, what a better place to hold regular exhibitions of art! Senior held the first exhibition of his own paintings in the out-patients waiting area of the Manchester Royal Hospital in 1975. Believed to lie Britain’s first hospital artist, Senior was so much (47) that he was soon joined (48) a team of six young art school graduates.
F.
The effect is (49) , now in file (50) and waiting rooms the visitors (51) a full view of fresh colors, playful images and restful countyards.
G.
The quality of the environment may (52) the used for expensive drugs when a patient is (53) from all illness. A study has shown that (54) who halt a view onto garden needed half the number of strong pain killers compared (55) patients who had no view at all or only a brick wall to look at.
【单选题】滚动轴承的基本额定寿命是指( )。
A.
在额定动载荷作用下，轴承所能达到的寿命
B.
在额定工况和额定动载荷作用下，轴承所能达到的寿命
C.
在额定工况和额定动载荷作用下，90%轴承所能达到的寿命
D.
同一批同型号的轴承在相同条件下进行实验中，90%轴承所能达到的寿命
【单选题】室温对象一空调房间的特性参数滞后时间τ越大，( )；对象的时间常数T越大，( )；当对象的传递系数大时，调节过程的动差和静差均增大，调节周期将缩短，振动次数会增加，寿命也会缩短。
A.
调节振幅即动态偏差增大
B.
振幅减小
C.
调节周期缩短
D.
调节振幅即动态偏差减小