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【判断题】
铁路交通是指各种由火车、车站和调度系统(包括调度设备和调度人员)共同组成的路面交通运输系统。
A.
正确
B.
错误
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举一反三
【单选题】关于水的三态变化的下列说法中,不正确的是( )
A.
给0℃的冰加热，冰会融化成水
B.
常温下放在容器中的水减少是蒸发现象
C.
标准大气压下100℃的水蒸气冷却后变成水
D.
冰直接变成水蒸气是凝华现象
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【单选题】听力原文： As a result of rising university costs, many students are finding it necessary to take on part-time jobs. To make finding those jobs easier, the placement service has put together a listing of w...
A.
A job listing.
B.
A resume.
C.
A permission slip.
D.
Their salary requirements.
查看完整题目与答案
【多选题】According to INCOTERMS 2000，( )mean that the seller must pay the costs and freight necessary to bring the goods to the named port of destination or must in addition pay the cost of carriage necessary ...
A.
CFR、CIF
B.
CPT、CIP
C.
FOB、FCA
D.
CPT、FCA
查看完整题目与答案
【单选题】Which of the following statements is NOT true according to the author?
A.
It is not necessary for teachers to have certification.
B.
We can learn from everybody, even the little children.
C.
Teaching is to force information into a supposedly empty head.
D.
Teaching is to share our skills and knowledge with others.
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【多选题】蒸气直接加热法的特点有:
A.
操作方便
B.
热效率高
C.
冷凝水留存于油品中而影响油品质量
D.
适用于所有油品的加热
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【单选题】从茶叶中提取咖啡因时，可将茶叶放于大小适宜的烧杯中，上面用圆底烧瓶盛水冷却，然后直接加热到一定温度时，咖啡因可凝结于烧瓶底部，此种方法是（）。
A.
水蒸气蒸馏
B.
渗漉
C.
升华
D.
结晶
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【多选题】有关再沸器直接蒸汽加热和间接蒸汽加热,说法正确的是()
A.
直接蒸汽加热适用于重组分为水的混合物分离
B.
间接蒸汽加热，水蒸气作为热源提供再沸器所需热量，不与被分离体系混合
C.
直接蒸汽加热可以节省再沸器的设备投资费用。
D.
采用直接蒸汽加热可以节省冷凝器的设备投资费用
查看完整题目与答案
【判断题】It is necessar y to clean the office kitchen after you use it.
A.
正确
B.
错误
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【多选题】According to INCOTERMS 2000，( )mean that the seller must pay the costs and freight necessary to bring the goods to the named port of destination and the risk of loss of or damage to the goods ends whe...
A.
CFR
B.
CIF
C.
CPT
D.
CIP
查看完整题目与答案
【简答题】单词拼写（15分） Dear Sally, I really need your help. I’m feeling _小题1:__(沮丧的) these days, because I get so many _小题2:_(问题). I’m not a good-looking girl and I’m not good at studying, 小题3: (也).Some of my clas...
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相关题目：
【单选题】关于水的三态变化的下列说法中,不正确的是( )
A.
给0℃的冰加热，冰会融化成水
B.
常温下放在容器中的水减少是蒸发现象
C.
标准大气压下100℃的水蒸气冷却后变成水
D.
冰直接变成水蒸气是凝华现象
查看完整题目与答案
【单选题】听力原文： As a result of rising university costs, many students are finding it necessary to take on part-time jobs. To make finding those jobs easier, the placement service has put together a listing of w...
A.
A job listing.
B.
A resume.
C.
A permission slip.
D.
Their salary requirements.
查看完整题目与答案
【多选题】According to INCOTERMS 2000，( )mean that the seller must pay the costs and freight necessary to bring the goods to the named port of destination or must in addition pay the cost of carriage necessary ...
A.
CFR、CIF
B.
CPT、CIP
C.
FOB、FCA
D.
CPT、FCA
查看完整题目与答案
【单选题】Which of the following statements is NOT true according to the author?
A.
It is not necessary for teachers to have certification.
B.
We can learn from everybody, even the little children.
C.
Teaching is to force information into a supposedly empty head.
D.
Teaching is to share our skills and knowledge with others.
查看完整题目与答案
【多选题】蒸气直接加热法的特点有:
A.
操作方便
B.
热效率高
C.
冷凝水留存于油品中而影响油品质量
D.
适用于所有油品的加热
查看完整题目与答案
【单选题】从茶叶中提取咖啡因时，可将茶叶放于大小适宜的烧杯中，上面用圆底烧瓶盛水冷却，然后直接加热到一定温度时，咖啡因可凝结于烧瓶底部，此种方法是（）。
A.
水蒸气蒸馏
B.
渗漉
C.
升华
D.
结晶
查看完整题目与答案
【多选题】有关再沸器直接蒸汽加热和间接蒸汽加热,说法正确的是()
A.
直接蒸汽加热适用于重组分为水的混合物分离
B.
间接蒸汽加热，水蒸气作为热源提供再沸器所需热量，不与被分离体系混合
C.
直接蒸汽加热可以节省再沸器的设备投资费用。
D.
采用直接蒸汽加热可以节省冷凝器的设备投资费用
查看完整题目与答案
【判断题】It is necessar y to clean the office kitchen after you use it.
A.
正确
B.
错误
查看完整题目与答案
【多选题】According to INCOTERMS 2000，( )mean that the seller must pay the costs and freight necessary to bring the goods to the named port of destination and the risk of loss of or damage to the goods ends whe...
A.
CFR
B.
CIF
C.
CPT
D.
CIP
查看完整题目与答案
【简答题】单词拼写（15分） Dear Sally, I really need your help. I’m feeling _小题1:__(沮丧的) these days, because I get so many _小题2:_(问题). I’m not a good-looking girl and I’m not good at studying, 小题3: (也).Some of my clas...
查看完整题目与答案
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