图中C 、D 所代表的大洲分别是:
A．非洲、亚洲
B．非洲、欧洲
C．欧洲、亚洲
D．北美洲、亚洲
答案：A
You have all the food. What would you do next week?[ ]
A. bought
B. used for
C. used as
D. used up
胸外心脏按压有效的指标中错误的是
A．大动脉搏动
B．瞳孔缩小
C．呼气末CO2分压升高
D．角膜灰暗
E．指甲颜色转红
