红细胞膜上的外周蛋白又称为（）
A.主体蛋白
B.膜蛋白
C.锚蛋白
D.外源性蛋白
E.转运蛋白
参考答案：D
-What’s the matter with John? He has been sitting there for hours.
-A postcard from his father an attack of home-sickness in him.
A．took up
B．set off
C．brought in
D．built up
刺绣的种类很多，请简述作对其中贴布绣的理解。
