儿童胰腺的特点是
A.相对较小，回声偏强
B.与成人大小无明显区别
C.相对较大而回声低
D.较小而回声低
E.以上都不是
参考答案：C
That's very interesting,but could you go into a little more _____ about it? [ ]
A.places
B.details
C.experiences
D.points
最易伤肺的邪气是（）
A.湿邪
B.风邪
C.燥邪
D.暑邪
E.寒邪
