依据《中央企业安全生产禁令》第九条，严禁（）生产安全事故。
A.迟报
B.漏报
C.谎报
D.瞒报
参考答案：A, B, C, D
下列不是生物的是[ ]
A．斑马
B．含羞草
C．蘑菇
D．机器人
— Hello, you look tired today.
—Yes, I slept too late yesterday evening. I my homework and forgot the time.
A．was doing
B．did
C．have done
D．had done
