下述哪种形式的胆道扩张被称作Caroli病?()
A.胆总管呈球形扩张
B.胆总管憩室
C.肝外胆管成梭形扩张
D.肝内胆管囊状扩张
E.肝内外胆管扩张
参考答案:D
用"Yes"和" No"填空。
1. -Would you like a cake, please?
-_____, thank you.
2. -It's not cold, is it?
-_____, it's hot.
3. -It's blue , isn't it?
-_____, it is blue.
地球的年龄大约有________岁。( )
A.46亿
B.40亿
C.52亿
D.50亿