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【单选题】
与外界不存在热量交换的热力系称为
A.
开口系
B.
孤立系
C.
系
D.
绝热系
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】下列电路中,不可以实现有源逆变的有( )。 A.三相半波可控整流电路 B.三相桥式半控整流电路 C.单相桥式可控整流电路D.单相全波可控整流电路外接续流二极管
A.
选择1
B.
选择2
C.
选择3
D.
选择4
查看完整题目与答案
【单选题】After that he didn’t feel hungry _____.
A.
no more       
B.
any more          
C.
no longer     
D.
some longer
查看完整题目与答案
【单选题】He studied in Florida _____, but he didn’t feel _____ at all because he made a lot of new friends. [     ]
A.
alone; alone
B.
lonely; lonely
C.
alone; lonely
D.
lonely; alone
查看完整题目与答案
【判断题】单相桥式半控整流电路可以实现有源逆变。
A.
正确
B.
错误
查看完整题目与答案
【判断题】J曲线效应认为，贬值不会立即引起贸易收支的改善，反而可能导致恶化，只有经过一段时间之后，贸易收支才得以改善。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Mr. Andrews didn't feel comfortable ______.
A.
because he didn't go to the doctor.
B.
because he had had some medicine which made him sick.
C.
because he was really ill after eating two sausages.
D.
because the dog was to die.
查看完整题目与答案
【单选题】He failed once again in his experiment, but he didn't feel ______.
A.
frustrated
B.
encouraged
C.
puzzled
D.
enered
查看完整题目与答案
【判断题】单相半控桥整流电路可以实现有源逆变。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why didn't the man have breakfast this morning?
A.
Because he didn't feel very well.
B.
Because he couldn't find anything for breakfast.
C.
Because he got up late.
查看完整题目与答案
【简答题】I didn’t feel like＿＿＿，so he suggested＿＿＿a taxi．
查看完整题目与答案
相关题目：
【单选题】下列电路中,不可以实现有源逆变的有( )。 A.三相半波可控整流电路 B.三相桥式半控整流电路 C.单相桥式可控整流电路D.单相全波可控整流电路外接续流二极管
A.
选择1
B.
选择2
C.
选择3
D.
选择4
查看完整题目与答案
【单选题】After that he didn’t feel hungry _____.
A.
no more       
B.
any more          
C.
no longer     
D.
some longer
查看完整题目与答案
【单选题】He studied in Florida _____, but he didn’t feel _____ at all because he made a lot of new friends. [     ]
A.
alone; alone
B.
lonely; lonely
C.
alone; lonely
D.
lonely; alone
查看完整题目与答案
【判断题】单相桥式半控整流电路可以实现有源逆变。
A.
正确
B.
错误
查看完整题目与答案
【判断题】J曲线效应认为，贬值不会立即引起贸易收支的改善，反而可能导致恶化，只有经过一段时间之后，贸易收支才得以改善。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Mr. Andrews didn't feel comfortable ______.
A.
because he didn't go to the doctor.
B.
because he had had some medicine which made him sick.
C.
because he was really ill after eating two sausages.
D.
because the dog was to die.
查看完整题目与答案
【单选题】He failed once again in his experiment, but he didn't feel ______.
A.
frustrated
B.
encouraged
C.
puzzled
D.
enered
查看完整题目与答案
【判断题】单相半控桥整流电路可以实现有源逆变。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why didn't the man have breakfast this morning?
A.
Because he didn't feel very well.
B.
Because he couldn't find anything for breakfast.
C.
Because he got up late.
查看完整题目与答案
【简答题】I didn’t feel like＿＿＿，so he suggested＿＿＿a taxi．
查看完整题目与答案