乳腺X线平片上可见到（）
A.皮肤
B.脂肪
C. * *
D.乳腺实质
E.淋巴结
参考答案：A, B, C, D, E
下列哪种动物不属于甲壳动物．
A．虾
B．水蚤
C．梭子蟹
D．枪乌贼
The teacher told his students that the earth around the sun.
A．went
B．will go
C．goes
D．go
