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【单选题】
甲、乙两名工匠共同完成 600 件礼品包装，甲每天比乙多完成 10 件，第 4 天乙因病请假 一天，最终共用了 9 整天完成了全部工作。问甲、乙两人共同工作一天能完成多少件礼品包装？
A.
B.
70
C.
72
D.
80
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】E Reading is not the only way to gain knowledge of the work in the past. There is another large. reservoir which may be called experience, and the college students will find, that every ...
A.
The college students have trouble separating good plants from wild grass.
B.
Craftsmen’s experience is usually unscientific.
C.
Craftsmen don’t like teaching the contemptuous (傲慢的) college students.
D.
Traditional practices are as important as experience for the college students.