行车中从其他道路汇入车流前,应注意观察侧后方车辆的动态。
参考答案:对
I spent five hours repairing the car. The work was ____ simple.
A.nothing but
B.anything but
C.something of
D.all except
下列哪些疾病需要与癫痫鉴别()
A.晕厥
B.癔症样发作
C.短暂性脑缺血发作
D.低血糖症
E.以上都需要