年龄7岁小儿,注射麻疹减毒活疫苗后,出现头晕、心慌、面色苍白、出虚汗、心跳加快,考虑( )
A.过敏性休克 B.晕针 C.一般反应 D.扩散 E.全身反应
参考答案:B
If my lawyer ______ here last Friday, he _____ me from telling the truth.
A.had been; would have prevented
B.had been; would prevent
C.were; would prevent
D.were; would have prevented
下列属于动力学特征的是
A.步长
B.步逮
C.关节力矩
D.步频
E.跨步长