正常情况下，当点火开关打开但未启动时，充电指示灯应该熄灭；汽车启动后，灯应该点亮。
参考答案：错
I called Mary many times yesterday evening. But I couldn’t get through. Her brother _____ on the phone all the time.
A．talked
B．had talked
C．has talked
D．was talking
抑郁发作的临床表现不包括
A．显著而持久的情感低落
B．思维迟缓
C．生活疏懒，行动迟缓
D．睡眠增多
E．情感有昼重夜轻的特点
