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【简答题】
下侧表格是甲三种物质在不同温度下的溶解度(单位 g ),下图是 KNO 3 、 NaCl 两种固体的溶解度曲线,请结合表格和曲线回答下列问题 ( 1 )甲、乙、丙三种物质中可能是硝酸钾的是 _________________ ; ( 2 )欲使 30 °C 的饱和溶液转化为不饱和溶液,除加溶剂外还可以采取的方法是 _____ ; ( 3 )在 30 °C 时,将 50g 甲放入 100g 水中,充分搅拌。所得溶液的质量约为 _____ g ,将此混合物升温到 90 °C 时,以下说法正确的是 _____ A 甲的溶解度变大 B 甲溶液的质量变大 C 溶液中甲的质量分数不变 ( 4 ) KNO 3 中混有少量 NaCl ,提纯 KNO 3 采取 _____ 结晶方法 。
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【单选题】Richards Company purchased a machine for $8,800 on January 1, 2016. The machine has been depreciated using the straight-line method over an 8 year life and $800 salvage value. Richards sold the machin...
A.
Gain, $700
B.
Loss, $900
C.
Loss, $1,300
D.
Gain, $1,500
【简答题】After reading the passage we can infer ________. [A] Mr. Richards still complains about the coming of his relatives in summer [B] The friend of Mr. Richards’ hadn’t as many relatives as Richards [C] G...
【单选题】Take care not to get your shoes ______ in mud.
A.
wet or covered
B.
to be wet or covered
C.
to be wet or covered
D.
wet or be covered
【单选题】He gave copies of the report to all those present at the meeting, urging that they read and digest its content.
A.
hoping
B.
ordering
C.
insisting
D.
strongly advising
【简答题】My mom stared at me strangely while I 5 ( 涂满) makeup all over my face and neck.
【判断题】人体简化法中的人体形象特征,可以用一句话来概括,即:“一竖、两横、三体积、四肢、五官”。
A.
正确
B.
错误
【单选题】What will the man do before he leaves?
A.
Check out a chemistry book.
B.
Make copies of all the pages in the book.
C.
Put a notice on the bulletin beard.
D.
Look for a copy of the book on the reserve shelf.
【单选题】What will the man do before he leaves?
A.
Check out a chemistry book.
B.
Make copies of all the pages in the book.
C.
Put a notice on the bulletin board.
D.
Look for a copy of the book on the reserve shell'.
【单选题】He gave copies of the report to all those present at the meeting, ____ that they read and digest its content.
A.
hoping
B.
ordering
C.
insisting
D.
Urging
【单选题】He gave copies of the report to all those present at the meeting, ______ that they read and digest its contents.
A.
urge
B.
urging
C.
envy
D.
envying
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