下列关于胎儿的血液循环组成正确的是()
A.体循环和肺循环
B.体循环、肺循环和胎盘通路
C.体循环和胎盘通路
D.肺循环和胎盘通路
E.以上都不对
参考答案:B
半夏的功效是()。天南星的功效是()。
A.降逆止呕
B.祛风止痉
C.解毒消疮
D.理气调中
E.清热消肿
—Where are we going to have dinner this evening?
—I'd like to have some _____ in a Japanese restaurant.[ ]
A. hamburgers
B. fish and chips
C. pizza
D. sushi