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简答题: (三年制选做) 高压叶片泵的结构特点是什么?
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反馈参考答案：
举一反三
【单选题】货船应在（）内进行一次救生演习，若有（）船员未参加上一个月的演习，则应在离港后24小时内举行这样的演习。
A.
一个月/20%
B.
二个月/25%
C.
一个月/25%
D.
二个月/20%
【简答题】We come by business naturally in our family. Each of the seven children in our family worked in our father’s store. 11 we worked and watched, we learned that work was about more than 12 and a s...
【单选题】货船应在_____月内进行一次救生演习,若有_____船员未参加上一个用的演习,则应在设港后24小时内举行这样的演习。
A.
1/20%
B.
4/25%
C.
1/25%
D.
2/20%
【简答题】We come by business naturally in our family.Each of the seven children in our family worked in our father’s store.As we worked and watched，we ____ that work was about more than ____ and a sale....
【单选题】—______ free education, the poor children in our hometown can go back to school. —So can the children in our hometown. [ ]
A.
Thanks to
B.
Instead of
C.
As for
D.
Towards
相关题目：
【单选题】货船应在_____月内进行一次救生演习,若有_____船员未参加上一个用的演习,则应在设港后24小时内举行这样的演习。
A.
1/20%
B.
4/25%
C.
1/25%
D.
2/20%
参考解析：
知识点：
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