题目内容

根据装配结构的具体情况和零件之间的连接关系，按（）、先内后外、（）、（）、先精密后一般的原则去确定其他零件或组件的装配顺序。

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1，When people have winter swimming , the air temperature should be below 10 degrees celsius andthe water temperature below _____ degrees celsius.

A. 16
B. 17
C. 14
D. 15

2，Lao Jin' s winter swimming team has existed for ________ years.

A. 30
B. 25
C. 20
D. 35

3,Lao Jin has been practising winter swimming for about _________ years.

A. 26
B. 25
C. 23
D. 24

4，The history of the yellow wine in Shaoxing can be traced back to ________ years ago.

A. 2500
B. 2400
C. 2300
D. 2200