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关于原油脱水工艺流程的选择,以下表述正确的有
A.
当一段热化学脱水能达到原油质量指标时，应采用热化学沉降脱水法，且应优先采用流程
B.
对含水30%～60%的原油，一般采用两段脱水，即一段热化学脱水和二段电脱水
C.
原油含水超过60%，宜采用三段脱水，即预脱除游离水、热化学脱水和电脱水。
D.
当原油含水低于30%时，亦可采用二段脱水工艺。
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参考答案：
举一反三
【简答题】现我国药品监管最高部门是( )?英文简称为( )? 药品检验方法以( )为标准?生物检定法通则属于其中的第( )部?
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【单选题】Passage Four There was once a man who spent all his time in his glasshouse. Flowers was his name, and flowers were his main joy in life. He grew flowers of every color under the sun. He grew these flo...
A.
to grow beautiful flowers
B.
to grow the Rose of the Year and win a prize
C.
to grow all kinds of flowers in the world
D.
to take part in the competition
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【单选题】听力原文： There was once a man who spent all his time in his glasshouse. Flowers was his name, and flowers were his main joy in life. He grew flowers of every color under the sun. He grew these flowers in...
A.
To grow beautiful flowers.
B.
To grow a rose of new color and win a prize.
C.
To grow all kinds of flowers in the world.
D.
To take part in the competition.
查看完整题目与答案
【单选题】Scott spent the _______ day _______ with his grandpa.
A.
all, fishing
B.
all, to fish
C.
whole, fishing
D.
whole, to fish
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【单选题】He spent all his money _____ this big house. [     ]
A.
in
B.
on
C.
for
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【多选题】下列属于贸易合同中商品检验时间与地点的方法 规定的是 ( ) 。
A.
在进口国检验 ，例如 到岸数量 到岸品质
B.
离岸数量 到岸品质
C.
把货物运到第三国检验
D.
在出口国检验，进口国复检
查看完整题目与答案
【多选题】下列，属于贸易合同中商品检验时间与地点的方法规定的是( )。
A.
在出口国检，例如 离岸数量 离岸品质
B.
在进口国检验 ，例如 到岸数量 到岸品质
C.
在出口国检验，进口国复检
D.
把货物运到第三国检验
E.
离岸数量 到岸品质
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【单选题】根据国际载重公约及我国《船舶与海上设施法定检验规则》的规定,以下________海区属于热带区带 (39827:第一章_船舶与货物:295)
A.
一年内蒲氏风级8级或8级以上风力不超过1%的海区
B.
一年内蒲氏风级8级或8级以上风力不超过5%的海区
C.
10年内任一单独日历月份在5?平方区域内热带风暴不多于一次
D.
A+C
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【单选题】While he was in Beijing, he spent all his time __________ some important museums and buildings.
A.
visiting
B.
traveling
C.
watching
D.
touring
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【单选题】He gives people the impression ______ all his life abroad.
A.
of having spent
B.
to have spent
C.
of being spent
D.
to spend
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相关题目：
【简答题】现我国药品监管最高部门是( )?英文简称为( )? 药品检验方法以( )为标准?生物检定法通则属于其中的第( )部?
查看完整题目与答案
【单选题】Passage Four There was once a man who spent all his time in his glasshouse. Flowers was his name, and flowers were his main joy in life. He grew flowers of every color under the sun. He grew these flo...
A.
to grow beautiful flowers
B.
to grow the Rose of the Year and win a prize
C.
to grow all kinds of flowers in the world
D.
to take part in the competition
查看完整题目与答案
【单选题】听力原文： There was once a man who spent all his time in his glasshouse. Flowers was his name, and flowers were his main joy in life. He grew flowers of every color under the sun. He grew these flowers in...
A.
To grow beautiful flowers.
B.
To grow a rose of new color and win a prize.
C.
To grow all kinds of flowers in the world.
D.
To take part in the competition.
查看完整题目与答案
【单选题】Scott spent the _______ day _______ with his grandpa.
A.
all, fishing
B.
all, to fish
C.
whole, fishing
D.
whole, to fish
查看完整题目与答案
【单选题】He spent all his money _____ this big house. [     ]
A.
in
B.
on
C.
for
查看完整题目与答案
【多选题】下列属于贸易合同中商品检验时间与地点的方法 规定的是 ( ) 。
A.
在进口国检验 ，例如 到岸数量 到岸品质
B.
离岸数量 到岸品质
C.
把货物运到第三国检验
D.
在出口国检验，进口国复检
查看完整题目与答案
【多选题】下列，属于贸易合同中商品检验时间与地点的方法规定的是( )。
A.
在出口国检，例如 离岸数量 离岸品质
B.
在进口国检验 ，例如 到岸数量 到岸品质
C.
在出口国检验，进口国复检
D.
把货物运到第三国检验
E.
离岸数量 到岸品质
查看完整题目与答案
【单选题】根据国际载重公约及我国《船舶与海上设施法定检验规则》的规定,以下________海区属于热带区带 (39827:第一章_船舶与货物:295)
A.
一年内蒲氏风级8级或8级以上风力不超过1%的海区
B.
一年内蒲氏风级8级或8级以上风力不超过5%的海区
C.
10年内任一单独日历月份在5?平方区域内热带风暴不多于一次
D.
A+C
查看完整题目与答案
【单选题】While he was in Beijing, he spent all his time __________ some important museums and buildings.
A.
visiting
B.
traveling
C.
watching
D.
touring
查看完整题目与答案
【单选题】He gives people the impression ______ all his life abroad.
A.
of having spent
B.
to have spent
C.
of being spent
D.
to spend
查看完整题目与答案
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