下列癌中可以见到角化珠的是
A．分化好的鳞癌B．分化差的鳞癌C．分化差的腺癌D．基底细胞癌E．移行细胞癌
参考答案：A
I don't like to travel to big cities because it seems to me that one city is very much like___ ．
A．one
B．another
C．the other
D．others
某热泵，从蒸发器吸热200kJ／kg，向冷凝器放热250kJ／kg，其供热系数为（）。
A.0.8
B.1.25
C.4
D.5
