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【多选题】
重结晶中,选择溶剂需要考虑的问题是:A.
溶剂与被提纯物质不能发生反应
B.
被提纯物质在其中随温度变化溶解度变化小
C.
经济，无毒或低毒
D.
溶剂沸点不宜太高，以便除去
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举一反三
【单选题】Assume that the U.S. has an 8 percent inflation rate while Mexico has a 4 percent inflation rate. According to relative PPP, the dollar would be expected to:
A.
Appreciate by 2 percent against the Mexican peso.
B.
Depreciate by 2 percent against the Mexican peso.
C.
Appreciate by 4 percent against the Mexican peso.
D.
Depreciate by 4 percent against the Mexican peso.
【单选题】Assume that the United States faces a 5 percent inflation rate while the U.K has a 7 percent inflation rate. According to the relative PPP, the dollar would be expected to:
A.
appreciate by 2 percent against the British pound
B.
depreciate by 2 percent against the British pound
C.
appreciate by 12 percent against the British pound
D.
depreciate by 12 percent against the British pound
【简答题】请答题时按照我出题的顺序, 每一行回答一题,标上序号 ,如题目是 1. White House, 对应回答需要写 1. 白宫 切记切记答题格式,序号加点加答案 1. Bitter social unrest 2. Cutting public budgets 3. Excessive stimulus 4. Rebound to flatten 5. Imposition of austerity...
【简答题】GPU选择分为() ()
【判断题】房地产根据用途（使用性质），首先可分为居住房地产和非居住房地产两大类，非居住房地产又可分为商业房地产、办公房地产、工业房地产、农业房地产、特殊用途房地产等。
A.
正确
B.
错误
【简答题】聚乙烯(比重为 0.92 )与聚乙酸乙烯酯组成的聚合物混合体(颗粒状)。按占聚合物混合体总重量计算:乙烯单体单元为 50% 、乙酸乙烯酯单体单元为 50 ,非水分散体( 2001 年考题) _____________
【单选题】Assume that the U.S. has a 2 percent inflation rate while Sweden has a 7 percent inflation rate. According to relative PPP, the dollar would be expected to:
A.
Appreciate by 3.5 percent against the Swedish krona.
B.
Depreciate by 3.5 percent against the Swedish krona.
C.
Appreciate by 5 percent against the Swedish krona.
D.
Depreciate by 5 percent against the Swedish krona.
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