下列各项，不属有机磷农药中毒治疗中“阿托品化”临床表现的是
A．瞳孔较前扩大
B．心率加快
C．流涎加重
D．颜面潮红
E．肺部湿啰音消失
参考答案：C
China _________ a new oil field near Bo Sea five years ago. [ ]
A. invented
B. discovered
C. has invented
D. has discovered
已知各面都是正三角形的四面体棱长为1，则它的表面积是______．
