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【单选题】
某温度时,将 100gA物质的溶液分成两等份,将其中一份溶液蒸发掉5g水后,降至原温度,溶液刚好达到饱和;温度不变,在另一份溶液中加入1.2gA物质(该物质不含结晶水),完全溶解并达到饱和,则A物质在该温度下的溶解度为( )A.
1.2 g
B.
2.4 g
C.
24
D.
24 g
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【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
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7:25.
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7:35.
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7:45.
D.
7:15.
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【单选题】We must hurry up ________ catch the last train.
A.
that
B.
so that to
C.
in order that
D.
in order to
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