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【简答题】
某不挥发性溶质的稀溶液在271.7K凝固，已知298.15K下，纯水的蒸气压为3.178kPa，则此溶液在298.15K下的蒸气压为 (A) 3.178kPa    (B) 4.253kPa    (C) 3.134kPa    (D) 5.823kPa
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参考答案：
举一反三
【单选题】Lincoln’s mother did ___ many books ___ him.
A.
what she had buy, to
B.
what she could buy, for
C.
all that she had to buy, to
D.
all she could buy, for
查看完整题目与答案
【单选题】用直线“ LINE ”命令画出一个矩形,该矩形中有 ______ 个图元实体 。
A.
1
B.
4
C.
2
D.
3
查看完整题目与答案
【单选题】在Sublime中，复制当前行的快捷键是（  ）。
A.
ctrl+滚轮
B.
ctrl+v
C.
ctrl+c
D.
ctrl+shift+d
查看完整题目与答案
【单选题】用直线(line)命令画出一个矩形,则该矩形包含__________个图形对象。
A.
1
B.
4
C.
5
D.
不一定
查看完整题目与答案
【单选题】________ nice flowers ! Where did you buy them？
A.
How
B.
What
C.
What a
D.
What an
查看完整题目与答案
【单选题】What did Ken suggest at the end of the conversation?
A.
Buy a new Honda.
B.
Buy insurance for their cars.
C.
Buy a better car.
D.
Take a bus.
查看完整题目与答案
【判断题】青蒿能清虚热,解暑,截疟。
A.
正确
B.
错误
查看完整题目与答案
【单选题】--- What a beautiful car! When ________ you ________ it?   --- I ________ it for two years.
A.
did; buy; bought
B.
did; buy; have had
C.
have; bought; have bought
D.
have; bought; have had
查看完整题目与答案
【判断题】在AutoCAD2018中，使用直线命令“line”画出一个矩形，该矩形中有1个图元实体；使用多段线命令“pline”画出一个矩形，该矩形中有4个图元实体。
A.
正确
B.
错误
查看完整题目与答案
【单选题】用直线“LINE”命令画出一个矩形,该矩形中有( )图元实体。
A.
1个
B.
4个
C.
不一定
D.
5个
查看完整题目与答案
相关题目：
【单选题】Lincoln’s mother did ___ many books ___ him.
A.
what she had buy, to
B.
what she could buy, for
C.
all that she had to buy, to
D.
all she could buy, for
查看完整题目与答案
【单选题】用直线“ LINE ”命令画出一个矩形,该矩形中有 ______ 个图元实体 。
A.
1
B.
4
C.
2
D.
3
查看完整题目与答案
【单选题】在Sublime中，复制当前行的快捷键是（  ）。
A.
ctrl+滚轮
B.
ctrl+v
C.
ctrl+c
D.
ctrl+shift+d
查看完整题目与答案
【单选题】用直线(line)命令画出一个矩形,则该矩形包含__________个图形对象。
A.
1
B.
4
C.
5
D.
不一定
查看完整题目与答案
【单选题】________ nice flowers ! Where did you buy them？
A.
How
B.
What
C.
What a
D.
What an
查看完整题目与答案
【单选题】What did Ken suggest at the end of the conversation?
A.
Buy a new Honda.
B.
Buy insurance for their cars.
C.
Buy a better car.
D.
Take a bus.
查看完整题目与答案
【判断题】青蒿能清虚热,解暑,截疟。
A.
正确
B.
错误
查看完整题目与答案
【单选题】--- What a beautiful car! When ________ you ________ it?   --- I ________ it for two years.
A.
did; buy; bought
B.
did; buy; have had
C.
have; bought; have bought
D.
have; bought; have had
查看完整题目与答案
【判断题】在AutoCAD2018中，使用直线命令“line”画出一个矩形，该矩形中有1个图元实体；使用多段线命令“pline”画出一个矩形，该矩形中有4个图元实体。
A.
正确
B.
错误
查看完整题目与答案
【单选题】用直线“LINE”命令画出一个矩形,该矩形中有( )图元实体。
A.
1个
B.
4个
C.
不一定
D.
5个
查看完整题目与答案
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