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【单选题】
是指一些液压元件组合后实现某种规定的功能。A.
基本回路
B.
基本功能
C.
调节功能
D.
调速回路
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反馈参考答案：
举一反三
【多选题】下列有关法的特征的表述哪些是正确的( )
A.
法是以权利、义务为内容的社会规范具
B.
就性质而言，法律和道德等其他社会规范的性质是完全相同的复，
C.
法是具有普遍性的社会规范
D.
法是以国家强制力为后盾保证实现的社会规范
【单选题】There are some children _____ kites in the park. Let's go there. [ ]
A.
to fly
B.
flying
C.
are flying
D.
fly
【简答题】阅读理解。 Some children are flying kites near the river. They are very high and Peter can see them in the classroom. His mother's friend,Mrs. White comes to see his mother this morning and brings a kite t...
【简答题】阅读理解。 Some children are flying kites near the river. They are very high and Peter can see them in the classroom. His mother's friend Mrs White comes to see his mother this morning and brings a kite to...
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