卡诺循环的热效率仅决定于()。
参考答案:高、低热源的温度
下列用电器中,利用电流的热效应来工作的是: [ ]
A.洗衣机
B.电风扇
C.电饭锅
D.电视机
At the foot of the mountain ________, which caught my eye.
A.a beautiful wooden house lay
B.lay a beautiful wooden house
C.did lie a beautiful wooden house
D.did a beautiful wooden house lie