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【单选题】
环境温度300K,冷库温度-13°C,则逆卡诺循环的制冷系数约为:A.
0.867
B.
1.238
C.
7.5
D.
6.5
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反馈参考答案：
举一反三
【单选题】When she heard the news, Julia was ______ angry to ______ a word. [ ]
A.
so; speak
B.
so; talk
C.
too; tell
D.
too; say
【单选题】______ make her father angry, Joan didn’t tell him her poor grade.
A.
In order to not
B.
So that
C.
So as not to
D.
In order not to
【简答题】V5 为通道状态和信号标记字节，其头两位用作BIP-2 误码监测，若监测出有误码块，则在本端性能事件( )中显示相应的误块数，同时由V5 的第三位回传发送端，发送端在相应低阶通道的性能事件( )中显示相应的误块数。
【单选题】The lady was so angry that she didn't have her lunch.
A.
Right.
B.
Wrong.
C.
Doesn't say.
【多选题】The boy was angry. So he shouted.
A.
Being (As he was) angry the boy couldn't help shouting.
B.
Or: The boy was so angry that he couldn't help shouting.
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