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【单选题】
基于邻接表存储的具有V个顶点E条边的图,其深度优先搜索算法的时间复杂度是()。A.
O(V^2)
B.
O(V+E)
C.
O(V^3)
D.
O(E^2)
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举一反三
【多选题】食品凝固剂使用过程中的注意事项有()
A.
凝固剂的使用不能过量，如硫酸钙使用过量会产生苦味
B.
盐卤在使用前需要先加热，以利于大豆蛋白的凝固
C.
凝固剂使用时要注意制品的温度。如使用硫酸钙时，温度要控制在70-90摄氏度
D.
凝固剂用于蔬菜保脆时，注意其它金属离子对其作用的影响
【单选题】3 Assume a government places restrictions on a specific product from a specific foreign country. What would be the government's most likely concern about the foreign country's response?
A.
the foreign producers raising the prices of their exports
B.
the foreign country restricting its own imports
C.
the foreign country restricting its exports in that industry
D.
the foreign producers seeking other markets
【单选题】At fre e-trade prices, a bicycle in country X sells for $100 when the per-unit cost of material inputs is $90 . Country X has a nominal tariff rate of 15% on bicycle s, and 10% on the material inputs....
A.
B.
C.
D.
D
【简答题】试述氨基糖苷类和青霉素类抗生素合用的优点、注意事项及药理依据。
【单选题】Which of the following is true (assume the small country case)?
A.
With a quota, an increase in demand leads to a higher price and more imports.
B.
With a tariff, an increase in demand leads to a higher price and more imports.
C.
With either a tariff or a quota, an increase in demand leads to a higher price and more imports.
D.
None of the above are true.
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