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【判断题】
在夹具中采用适当分布的六个支承点来限制工件的六个自由度。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Choose the statements from the box and place them in the proper place in the essay. 选择合适的句子完成段落。
A.
Building a good human tower takes team work and skills.
B.
Within seconds I assisted in the formation of a three- level tower.
C.
Each team is famous for its tallest and most complex tower of people.
D.
Once a tower is built, try and see if the group can hold it for a count of 30.
E.
Since then it’s been popular, with groups competing to build higher structures.
F.
Before long I was called forward and given the great honor of the President’s Belt.
G.
I hoped to change my position because I knew that this activity required particular skills.
【判断题】Sentences are composed of sequence of words arranged in a simple linear order, with one adding onto another following a simple arithmetic logic.
A.
正确
B.
错误
【单选题】Choose the statements from the box and place them in the proper place in the essay. 选择合适的句子完成段落。
A.
Building a good human tower takes team work and skills.
B.
Within seconds I assisted in the formation of a three- level tower.
C.
Each team is famous for its tallest and most complex tower of people.
D.
Once a tower is built, try and see if the group can hold it for a count of 30.
E.
Since then it’s been popular, with groups competing to build higher structures.
F.
Before long I was called forward and given the great honor of the President’s Belt.
G.
I hoped to change my position because I knew that this activity required particular skills.
【单选题】Choose the statements from the box and place them in the proper place in the essay. 选择合适的句子完成段落。
A.
Building a good human tower takes team work and skills.
B.
Within seconds I assisted in the formation of a three- level tower.
C.
Each team is famous for its tallest and most complex tower of people.
D.
Once a tower is built, try and see if the group can hold it for a count of 30.
E.
Since then it’s been popular, with groups competing to build higher structures.
F.
Before long I was called forward and given the great honor of the President’s Belt.
G.
I hoped to change my position because I knew that this activity required particular skills.
【简答题】选词填空。 What's, It's, you, last, first 1. What's her ID card number? ______ 220101084609061222. 2. Her______name is White. 3. Is his ______ name Peter? 4. ______ the girl's family name? 5. Nice to meet_...
【多选题】7，8-二羟基香豆素类化合物可与以下哪些试剂反应显阳性( )
A.
异羟肟酸铁试剂
B.
Gibbs试剂呈阳性
C.
Emerson试剂呈阳性
D.
碱试液反应，用于薄层检识
E.
稀盐酸
【单选题】Choose the statements from the box and place them in the proper place in the essay. 选择合适的句子完成段落。
A.
Building a good human tower takes team work and skills.
B.
Within seconds I assisted in the formation of a three- level tower.
C.
Each team is famous for its tallest and most complex tower of people.
D.
Once a tower is built, try and see if the group can hold it for a count of 30.
E.
Since then it’s been popular, with groups competing to build higher structures.
F.
Before long I was called forward and given the great honor of the President’s Belt.
G.
I hoped to change my position because I knew that this activity required particular skills.
【单选题】It's already 5 o'clock now. Don't you think it's about time _____ ?
A.
we are going home
B.
if she leaves
C.
we went home
【简答题】根据原料的需要,煎可分为 和 。
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