【单选题】【消耗次数：1】
The electric fan does not work because of the _____of service.
①
pause
②
break
③
interruption
④
breakdown
参考答案：
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相关题目
【单选题】
The electric fan does not work because of the ____ of service.
①
pause
②
break
③
interruption
④
breakdown
【单选题】
The electric fan has blown away the terrible smell in the hall, ______?
①
cant it
②
isnt it
③
hasnt it
④
doesnt it
【简答题】
什么是WBS（work breakdown structures）？
【单选题】
She cant get down to work because she was deeply __________ by the news of his death.
①
surprised
②
affected
③
harmed
④
charged
【单选题】
The bosses give them low wages, because it is expected that you will ( ). If you don’t, the service person can’t earn a living.
①
make up the different
②
make up the difference
③
make out the difference
④
make out the different
【判断题】
In 1916-1917, military service was considered a romantic occupation because the young men of college age at that time knew nothing of modern warfare.
①
正确
②
错误
【判断题】
We wish that you hadnt have such a lot of work, because we know you would have enjoyed the party.
①
正确
②
错误
【单选题】
Room Service. May I come in? what is the meaning of the phrase “room service”?
①
洗衣服务
②
客房清洁服务
③
送餐服务
④
客房服务
随机题目
【多选题】
色谱柱在使用一段时间后出现柱效下降（分离能力降低、色谱峰扩张变形），可能的原因是
①
色谱柱进样端固定液流失
②
色谱柱内固定液分布不均匀
③
色谱柱内固定液性能改变
④
流失的固定液污染了检测器
【单选题】
色谱法中下列说法正确的是
①
分配系数K越大，组分在柱中滞留的时间越长
②
分离极性大的物质应选活性大的吸附剂
③
混合样品中各组分的K值都很小，则分离容易
④
吸附剂含水量越高则活性越高