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【判断题】
在相同温度的高温热源和相同的低温热源之间工作的一切可逆循环,其热效率都相等。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】How does technology help prolong our life?
A.
Patients can go anywhere to seek modern medicine.
B.
With modern medicine, people with cancer do not suffer from the pain.
C.
With modern medicine, people with AIDs do not suffer from the pain.
D.
With modern medicine, some deadly diseases can be treated now.
【简答题】How does technology expand our vision of the
world?A. It gives us ideas that never occurred to us in
the past. B. It makes our life easier and more convenient. C. It helps us spread our ideas more qui...
【单选题】How does technology expand our vision of the world?
A.
It gives us ideas that never occurred to us in the past.
B.
It makes our life easier and more convenient.
C.
It helps us spread our ideas more quickly.
D.
It brings us more advanced products.
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