碎煤机内有异常响声,产生的原因是有不易破碎的杂物进入机腔,处理方法是()
A、汇报班长
B、通知下级皮带值班员注意
C、停机清理杂物
D、不必处理
参考答案:C
The parents were happy to know that their son had won ___ to Beijing University.[ ]
A. permission
B. allowance
C. recognition
D. admission
保险企业开展无赔偿奖励业务的,以向投保人实际收取的保费为营业额。()