The idea of Mercantilism cant work in todays world because
A. countries" imports of finished goods exceed exports.
B. countries" wealth comes from global market now.
C. countries need to pay more to buy raw materials.
D. countries don"t have their own colonies any more.
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β一环糊精结构中的葡萄糖分子数为()
A. 5
B. 6
C. 7
D. 8
E. 4
不属于水溶性β一环糊精衍生物的是()
A. 2，6-二甲基一β—CD
B. 2，6-二乙基一β—CD
C. 2一羟丙基一β—CD
D. 6-0-α—麦芽糖基一β—CD
E. 6一葡萄糖基一β一环糊精
In the second paragraph, "the dogs of war are unlikely to slip their leash" probably means
A. watchdogs of the trade market don"t like the currency policy.
B. the prediction that there will be a currency war is mistaken.
C. global economic recession will unleash global financial crisis.
D. different countries will not likely tighten up financial sectors.
制备W／O型纳米乳时，大体要求乳化剂的HLB值为()
A. 1～2
B. 3～6
C. 8～18
D. 7～10
E. 13～16
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