全血及红细胞悬液运输温度为（）。
A.0～2℃
B.2～10℃
C.2～6℃
D.6～8℃
E.8～12℃
参考答案：B
The policeman asked ____ with the old woman.
A. what the matter was B. what was the matter
C. what matter was D what was the wrong
锚杆挡土墙的施工顺序应（）进行。
A．自上往下
B．自下而上
C．从左到右
