— Are these apples yours?
— Yes, they are _____________. [ ]
A. our
B. ours
C. yours
答案:B
以下哪些实验室检查异常为海洋性贫血的特征性变化()
A.血红蛋白A2或血红蛋白F增多
B.网织红细胞计数减少
C.平均红细胞体积下降
D.血小板减少
E.Bart胎儿水肿综合征
完善下列程序,其功能是显示如图3所示的"九九乘法表"
SET TALK OFF
CLEAR
FOR m=1 TO 9
STR(m,2)+":"
FoR n=1 TO m
STR( (),4)
ENDFOR
ENDFoR