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问题 单项选择题

热油泵停运检修，下列说法错误的一项是（）。

A、关闭出、入口阀，适当打开泵出入口管线的联通线阀

B、停止泵体预热，冷却后待修

C、停泵后停打封油

D、停泵后停冷却水

答案

参考答案：D

填空题

根据短文内容及首字母提示填单词

     We're having a (1)w__________ time in New Orleans. It's so great to be here during

Carnival time or Mardi Gras, as it's called in the brochure. New Orleans is always lively,

but it's so much more fun to go (2)s__________ here at the moment. We have eaten some

(3)d__________ food here very hot! We have enjoyed music played by a great band on the

famous Bourbon Street and have (4)d__________ lots of beer! We've even been on a boat

(5)t__________ on Mississippi and luckily I didn't (6)f__________ into the river! Then, sadly,

it's just one more night before we have to get on our (7)p__________. It has been such an

enjoyable time and it seems I've lived in a (8)d__________. I've taken many (9)p__________

and I want to (10)s__________ them to my classmates.
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单项选择题

“你最近使用什么品牌的牙膏？”如果按6W准则来推敲，这一问题在哪一方面不清除？（）。

A、Who（谁）

B、Where（何处）

C、When（何时）

D、What（什么事）
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