对睾丸不准确的描述是
A.呈扁的椭圆形
B.为男性的生殖腺
C.后缘和上端有附睾贴附
D.下端连输精管
E.表面被覆鞘膜脏层
参考答案:D
Mary thought highly of the painting, but to Mr. Smith's __________ eye, the painting was terrible. [ ]
A. eager
B. extra
C. exact
D. expert
通常大电流工作的交流接触器,都装有灭弧罩。()