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【多选题】
供热站是供热管网的重要附属设施，是供热网路与热用户的连接场所。它的作用是（ ）。A.
保证供热压力
B.
集中供热管道中的凝结水
C.
根据需要，进行集中计量、检测供热热媒的参数和数量
D.
保证供热温度
E.
根据热网工不同的条件，采用不同的连接方式，将热网输送的热媒加以调节、转换，用户系统分配热量以满足用户需要
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【单选题】Which of the following technique has the highest bit rate?
A.
ADSL
B.
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A.
However
B.
Besides
C.
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____ 2 The author was well known/well written .
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【单选题】The cover letter will be seen first. ________, it must be very well written.
A.
Therefore
B.
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C.
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【单选题】Which nurse has kept the best sterile technique?
A.
A nurse touches the outside 2.5 cm of the package (the edge) while opening it but does not touch inside that space. She keeps the table and her hands above waist level at all times, and keeps her sterile gloves sterile.
B.
A nurse does not cross over his sterile field, keeps the table and all objects including his hands, above his waist at all times, and washes his hands before he begins and when he finishes the procedure.
C.
A nurse keeps everything above her waist level, even while throwing away her trash. She steps back away from the table while opening each new package, and keeps her sterile gloves sterile during the whole procedure.
D.
All of the above have kept good sterile technique.
【单选题】Which technique has the most limited ability to determine multiple facility locations?
A.
simulation
B.
linear programming
C.
the grid technique
D.
heuristic programming
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