下载APP
【多选题】
关 于 促 红 细 胞 生 成 素
A.
是 一 种 糖 蛋 白
B.
主 要 由 肝 脏 产 生
C.
性 激 素 都 可 增 强 其 作 用
D.
主 要 由 肾 组 织 产 生
E.
组 织 中PO2 下 降 可 使 血 浆 中 促 红 细 胞 生 成 增 加
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The author cites Mr. Smith’s survey in order to show that ________.
A.
most immigrants are either highly skilled or poorly unskilled
B.
immigrants are mostly those who received little education before arrival
C.
immigrants take up a larger proportion of American population than the natives
D.
there are more highly-skilled immigrants in America than unskilled immigrants
【单选题】— What's twenty and four? — _____________. [ ]
A.
Twenty-two
B.
Twenty-four
C.
Sixteen
【单选题】Q: The author cites Mr. Smith’s survey in order to show that ________.
A.
most immigrants are either highly skilled or poorly unskilled
B.
immigrants are mostly those who received little education before arrival
C.
immigrants take up a larger proportion of American population than the natives
D.
there are more highly-skilled immigrants in America than unskilled immigrants