下列哪些不是轻型β珠蛋白生成障碍性贫血的实验室检查?()
A.HbA2或HbF增加
B.网织红细胞计数降低
C.血小板减少
D.MCV降低
E.MCHC降低
参考答案:B, C
25.---Let’s throw a surprise party for mom’s 50th birthday.
---That’s a good idea. We________several of her friends.
A.invite
B.have invited
C.are inviting
D.will invite