标准温度越高炼出的焦炭质量越好。
参考答案：错
脑挫裂伤后的脑水肿高峰期出现于伤后
A．24小时内
B．1～2天
C．2～4天
D．4～6天
E．1周后
— ______ your sister have a pen pal?
—Yes, she ______.[ ]
A. Does, does
B. Does, has
C .Does, do
D. Do, have
