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【判断题】
容量瓶可用于准确配制和储存溶液。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A 60.0-kg man stands at one end of a 20.0-kg uniform 10.0-m long board. How far from the man is the center of mass (or center of gravity) of the man-board system? A) 1.25 m B) 2.50 m C) 5.00 m D) 7.50...
A.
B.
C.
D.
D
【单选题】What will the woman do on the day the man leaves?
A.
She will drive the man to the airport.
B.
She will be late for work for 2 hours.
C.
She will arrive at work after 9 a. m.
D.
She will see the man off during work time.
【单选题】新蒸馏出来的白兰地须盛放在橡木桶内使之成熟,并应经过至少 的陈酿,白兰地才会变得芳郁醇厚,并产生其色泽。
A.
10 个月
B.
18个月
C.
20个月
D.
24个月
【简答题】A．It carded the man to a spaceship. B．It left the man in the car. C．It walked with the man alongside the road. D．It fought against the man.
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