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【单选题】
从制冷装置取出制冷剂时，钢瓶无液管通至瓶底应（）放置为宜。A.
瓶口向上直立
B.
瓶口向上倾斜
C.
水平
D.
瓶口向下倾斜
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【简答题】Once they arrived at their , they met with other groups of young people and had one long party.
【单选题】患者,女性,30岁,10d前脚趾被玻璃划伤,近2天发热、厌食、说话受限、咀嚼困难、呈苦笑面容,急诊入院。 接诊护士应采用的隔离方法是
A.
严密隔离
B.
消化道隔离
C.
呼吸道隔离
D.
接触性隔离
E.
保护性隔离
【简答题】在计算机领域中，通常用英文单词“Byte”来表示（ ）。
【单选题】Choose the best answer to complete each of the sentences. It was already 11 o'clock in the evening ______ they arrived at the hotel.
A.
when
B.
while
C.
once
D.
since
【单选题】It was already 11 o'clock in the evening ______ they arrived at the hotel.
A.
when
B.
while
C.
once
D.
since
【简答题】Complete the following passage with the words in the box. Each can be used only once. A. moved B. the other C. another D. tired E. because Once, a king had a new road built. The king ha...
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【简答题】Once they arrived at their , they met with other groups of young people and had one long party.
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