本案例中的喷淋泵在工作了20min后,不能正常供水的原因是()。
A. 泵出现机械故障
B. 泵吸水口淹没深度不够
C. 泵启动时没有自灌式吸水的条件
D. 泵出水口阀门未打开
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(五)分析题 请指出本案例的检测维保单位在校核消防水池的有效容积时有什么疏忽之处。
Requiring children to save part of their______ can also open the door to future saving and
A. commission
B. allowance
C. grant
D. pension
What is suggested about the training schedule in the first e-mail?
A. It was created by the Skyview Hotel
B. It is still being developed.
C. It has been sent to attendees.
D. It is similar to last year"s training schedule.