卵巢表面平滑，皮质在内，髓质在外，有排卵窝的动物是（）.
A.牛
B.羊
C.马
D.猪
参考答案：C
Paris, the capital of France, is one of the _________ cities in Europe.
A．liveliest
B．more peaceful
C．much fascinating
D．thrilling
