空腹胆囊囊壁厚度超过多少具有病理性意义()。
A.2mm
B.3mm
C.4mm
D.5mm
E.6mm
参考答案:B
I liked this house at first sight, but what really made me decide to buy it was the beautiful _______ through the windows.
A.view
B.scene
C.sight
D.scenery
CMMB采用产品包的方式向客户提供服务。CMMB的产品包主要分为()、()和()。