尿毒症的贫血是()。
A.小细胞低色素性贫血
B.小细胞正色素贫血
C.大细胞性贫血
D.正色素正细胞贫血
E.以上都不对
参考答案:D
法律对自由的限制原则有哪些?
Participants in the Shanghai Co-operation Forum ______ regional teamwork to promote investment and economic development.
A. cursed B. echoed C. bounced D. hailed