机采浓缩白细胞采集后，多长时间内输注？（）
A.4h
B.8h
C.16h
D.24h
参考答案：D
最新统计肺癌最常见的病理类型是（）。
A.腺癌
B.鳞癌
C.小细胞癌
D.大细胞癌
E.腺鳞癌
The result was far beyond ______ we had expected, ______ brought great joy to every one of us.
A．that, which
B．that, that
C．what, what
D．what, which
