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【单选题】
空调系统工作时,若蒸发器内制冷剂不足,离开蒸发器的制冷剂会是处于()状态。
A.
A高于正常压力,温度较低的气态
B.
B低于正常压力,温度较高的气态
C.
C高于正常压力,温度较高的液态
D.
D低于正常压力,温度较低的液态
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参考答案:
举一反三
【简答题】电子稳定程序英文简写是( )
【单选题】I apologize for not sending the enclosed samples sooner.
A.
I have already sent the samples.
B.
I am sending the samples with this letter.
C.
I will send the samples soon.
【单选题】足月妊娠。临产16小时,伴排尿困难。检查:宫底在脐与剑突之间,拒按枕左前位。胎心不清,大约80次/分,宫口开大4cm,胎头于坐骨棘上0.5cm。宫缩间歇时。患者呼叫疼痛,并于脐下2横指处触及一凹陷,随宫缩有上升趋势。导尿发现为肉眼血尿,此时可诊断为
A.
低张性官缩乏力
B.
高张性宫缩乏力
C.
先兆子宫破裂
D.
子宫破裂
E.
子宫痉挛性狭窄环
【单选题】按质子理论Na2HPO4是
A.
中性物质
B.
酸性物质
C.
碱性物质
D.
两性物质
【单选题】按质子理论Na2HPO4是( )
A.
中性物质
B.
两性物质
C.
酸性物质
D.
碱性物质
【单选题】I apologize if I ______ you, but I assure you it was not on purpose.
A.
offend
B.
should have offended
C.
had offended
D.
might have offended
【单选题】— I apologize for not being able to join you for dinner. —  ______. We'll get together later. [     ]
A.
Go ahead
B.
Not to worry
C.
That's right
D.
Don't mention it
【单选题】--- I apologize for not being able to join you for dinner. --- ______.
A.
Go ahead
B.
Not to worry.
C.
That’s right
D.
Don’t mention it.
【单选题】-- I apologize not being able join you for dinner. — Not worry. We ’ ll get together later.
A.
for; to
B.
at; of
C.
for; with
D.
to; to
【单选题】I apologize for not being able to join your outing on Sunday.
A.
_We'll find another time.
B.
Go ahead.
C.
Never mind.
D.
That's right.
E.
I got it.
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