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【单选题】
下表是甲、固体的部分溶解度（单位：g/100 g水）数据，下列分析正确的是 [ ]A.
甲中混有少量的乙，可以用冷却热饱和溶液的方法得到较纯净的甲
B.
10℃时，含水100g的乙的饱和溶液中，放入12.5g甲，甲不能溶解
C.
控制温度在20℃～30℃之间，甲、物质饱和溶液的质量分数可能相等
D.
甲是的物质，可溶的物质
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【简答题】All over Pompeii, people lay down on beds of pumice stones, overwhelmed by the gas.... (para.18)
【单选题】Well, that is California all over . Which sentence has the same use of "all over"?
A.
The room is decorated all over with flowers.
B.
Tom looks all over for the book.
C.
She is her mother all over.
【单选题】Pompeii, once a happy and______city, was buried under the blanket of volcanic ash for over 2,000 years.
A.
primitive
B.
prosperous
C.
precious
D.
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【简答题】Every year thousands of tourists visit Pompeii, Italy. They see the sights that Pompeii is famous for—its stadium(运动场)and theatres, its shops and restaurants. The tourists do not, however, see Pompeii...
【简答题】Every year thousands of tourists visit Pompeii, Italy. They see the sights that Pompeii is famous for-its stadium and theatres, its shops and restaurants. The tourists do not, however, see Pompeii’s p...
【多选题】海关企业分类管理办法中,“上一年度进出口报关差错率”是一个重要的指标,请指出下列哪些判断是正确的?( )。
A.
AA类进出口货物收发货人上一年度进出口报关单差错率要求在3%以下
B.
A类进出口货物收发货人上一年度进出口报关差错率要求在5%以下
C.
A类报关企业上一年度代理申报的进出口报关差错率要求在5%以下
D.
C类报关企业上一年度代理申报的进出口报关差错率要求在10%以上
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