冻僵病人复温最好的方法是（）。
A．大量饮热茶、热酒
B．肌肉注射兴奋剂
C．置于38℃～42℃温水浸泡
参考答案：C
已知△ABC与△A1B1C1相似，且对应边AB：A1B1=1：2，则△ABC与△A1B1C1的面积比为______．
________ we had expected, the new iphone 5c has a plastic packing and is available in several colours: green, white, blue, pink and yellow.
A．Which
B．That
C．Who
D．As
