我国提倡通过何种途径获得供体移植器官()。
A.自愿捐献
B.互换器官
C.器官买卖
D.强行摘取
E.其他途径
参考答案:A
变性珠蛋白小体生成试验阴性,参考值是含5个以上珠蛋白小体的红细胞不超过()
A.60%
B.40%
C.30%
D.20%
E.10%
—Excuse me .I want to buy some stamps. Where can I find a post office?
----I know _______not far from here. You can easily find ________.
A. that; it B. it; one C. one; it