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【判断题】
生物质发电是一种绿色电A.
正确
B.
错误
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举一反三
【简答题】下列关于钻孔灌注桩的特点中，错误的是（ ）。
【简答题】There's a hero
If you look inside your heart
You don't have to be __1___
Of what you are
There's an answer
If you reach into your soul
And the sorrow that you know
Will ___2_____
And then a hero come...
【单选题】下列关于数据模型中实体间联系的描述正确的是 ( )
A.
实体间的联系不能有属性
B.
仅在两个实体之间有联系
C.
单个实体不能构成E-R图
D.
实体间可以存在多种联系
【简答题】Appreciate a song and find out what kind of “hero” in it, meanwhile fill in the blanks. Hero There’s a hero if you look inside your heart You don’t have to what you are There’s an answer if you reach ...
【单选题】"The man preparing the documents is the firms lawyer" has all the following possible meanings EXCEPT _____
A.
the man who has prepared the documents
B.
the man who has been preparing the documents
C.
the man who is preparing the documents
D.
the man who will prepare the documents.
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