脑血栓形成的"超早期"治疗时间一般是指发病后的
A.1小时内
B.12小时内
C.3小时内
D.6小时内
E.24小时内
参考答案:D
解析:脑血栓发病6小时内可做溶栓治疗。
19.To play table tennis and to go swimming_____good for character training
A is B.are C was D were
注水压力不变,注水量下降原因是什么?