问题
单项选择题
关于胎盘功能的描述，错误的是（）。
A.气体交换
B.营养物质供应
C.排除胎儿代谢产物
D.防御功能
E.分解功能
答案
参考答案：E
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关于胎盘功能的描述，错误的是（）。
A.气体交换
B.营养物质供应
C.排除胎儿代谢产物
D.防御功能
E.分解功能
参考答案：E
There was a big sea bird that was very beautiful. One day, the sea bird 46_________ to a country and stayed outside of a palace. The Emperor asked his men to bring it to the palace. Then he said , “As a welcome for the sea bird, we’ll 47___________the band and get the best food and wine ready for 48____________. So they played the best music for the sea bird, but it 49__________ bored. The Emperor introduced the most delicious food and best wine and asked the bird to have them. But the sea bird 50__________. After three days 51_________ eating or drinking, the sea bird died. The Emperor said 52__________, “Why didn’t you eat? I have you all of the best!” The 53__________ tells us that what some people believe to be the best music and the best food aren’t so for 54_________. Feed a bird according to a bird’s wants, not a 55_________. The saying “Do to others as you would have others do to you.” Is never really suitable or right.
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