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【单选题】
实验室如果着火不要惊慌,根据情况,即时灭火。以下灭火方法错误的选项是( )A.金属钠、钾、过氧化钠等着火用干沙灭火A.
汽油、酒精着火用水灭火
B.
带电系统或电器着火，可用二氧化碳灭火器
C.
有灼热的金属或熔融物的地方，用干沙或干粉灭火器
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【简答题】餐巾折花造型的选用原则有哪些?
【单选题】住宅入户门、防烟楼梯间门、寒冷地区公共建筑外门应采用何种开启方式()。
A.
平开门、平开门、转门
B.
推拉门、弹簧门、折叠门
C.
平开门、弹簧门、转门
D.
平开门、转门、转门
【简答题】( )是指实际拥有商品所有权的中间商。 A．经销商 B．代理商 C．佣金商 D．经营商
【单选题】Catherine Clinton ______
A.
was the landlord's daughter
B.
was the housekeeper's child
C.
was the widow of the landlord's son
D.
was very poor when her husband died
【单选题】听力原文：M: Hello, Anne. This is Larry at the office. Is Fred at home? W: No, Larry. He's in class now. He'll be home for lunch though. Q: Where is Fred now? (19)
A.
At lunch.
B.
At the office.
C.
In class.
D.
At home.
【简答题】餐巾折花造型的选用原则有哪些?
【单选题】住宅入户门、防烟楼梯间门、寒冷地区公共建筑外门分别宜采用( )。
A.
平开门、平开门、转门
B.
推拉门、弹簧门、折叠门
C.
平开门、弹簧门、转门
D.
平开门、转门、转门
【单选题】The next day the boys planted the landlord‘s garlic upside down because _______.
A.
they did not know how to plant it
B.
they wanted to teach the landlord a lesson
C.
they were afraid the dogs would bite it
D.
they made a mistake
【简答题】()是指实际拥有商品所有权的中间商。
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