皮皮学，免费搜题
登录
搜题
【单选题】
血液离心沉淀后可分为三层,从上至下为A.
血浆、红细胞、白细胞和血小板
B.
血浆、白细胞和血小板、红细胞
C.
白细胞、红细胞、血小板和血浆
D.
白细胞和血小板、红细胞、血浆
E.
红细胞、白细胞和血小板、血浆
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】-----Hi, Peter. Long time no see. -----Oh, it’s you, Jack. I’m sorry I didn’t ________you at first.
A.
know
B.
recognize
C.
remember
D.
realize
【单选题】听力原文：W: Hi, Jack. It's already 12 o'clock. Why don't you have lunch now? M: Sorry, I can't. I've got to finish typing my writing first. I need it for the meeting this afternoon. What will the man do n...
A.
Have lunch.
B.
Go on his typing.
C.
Attend the meeting.
【简答题】开放性气胸的急救是将开放性气胸变为____。
相关题目：