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搜题
【单选题】
自位支承(浮动支承)其作用增加与工件接触的支承点数目,但( )。A.
不起定位作用
B.
不管如何浮动必定只能限制一个自由度
C.
一般来说一个自位支承只能限制工件一个自由度
D.
可限制工件两个自由度
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举一反三
【简答题】请说出三种有代表性的乌龙茶。
【单选题】How do the teachers encourage friendships between different races?
A.
Teach students to be helpful to each other.
B.
Teach students to trust and respect each other.
C.
Put students of different races in the same groups.
D.
Organise parties for students from different races.
【简答题】代表性的广东乌龙茶是什么？
【简答题】代表性的闽南乌龙茶是什么？
【单选题】How do the teachers encourage friendships between different races?
A.
Teach students to be helpful to each other.
B.
Teach students to trust and respect each other.
C.
Organise parties for students from different races.
D.
Put students of different races in the same groups.
【单选题】How do the teachers in the Language Workshop teach?
A.
They develop a series of language books for teaching.
B.
They provide reading and writing practices to toddles.
C.
They keep using the word they want the listeners to learn.
D.
They work together with the translators in the classes.
【简答题】代表性的乌龙茶是什么？
【简答题】代表性的闽北乌龙茶是什么？
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