Questions 19 to 22 are based on the passage you have just heard. passage 2.mp3:
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举一反三
【判断题】If there are two goods, if a consumer prefers more of each good to less, and if she has a diminishing marginal rate of substitution, then her preferences are convex.
【简答题】阅读理解。 Do's and Don'ts in Whale (鲸) Watching The Department of Fisheries and Oceans has developed guidelines for whale watching in Johnston Strait, where killer whales are found on a daily basis each s...
【判断题】If there are two goods, if a consumer prefers more of each good to less, and if she has diminishing marginal rate of substitution, then her preferences are convex.
【判断题】If there are two goods, if a consumer prefers more of each good to less, and if she has diminishing marginal rate of substitution, then her preferences are convex.