不属于肺炎喘嗽典型症状的1项是()
A.寒
B.热
C.咳
D.喘
E.煽
参考答案:A
Dad, I'm sorry I haven't passed the English exam this time. But I _______. [ ]
A. did well
B. was lucky
C. fell behind
D. did my best
有不足转向特性的车辆在固定方向盘转角的情况下,绕圆周加速行驶时,转弯半径会()
A、无变化
B、越来越大
C、越来越小