第2题: [单项选择]A. He will choose a new topic to write the essay. B. He will choose the novel written by Shakespeare as the topic. C. He refuses to accept the man’s advice. D. He is on the wrong track. 参考答案:A 答案解析:[解析] W: You are on the right track. I’m just thinking you need to choose another topic. M: Ye
第6题: [单项选择]在非确定型决策中,首先从每个方案中选择一个在不同自然状态下的最小收益值(或最大损失值),作为评价方案的基础,然后再从这些最小收益值(或最大损失值)的方案中,选择一个收益值最大的方案,作为比较满意的方案。这是按( )来决策的。 A. 折中准则 B. 等概率准则 C. 乐观准则 D. 悲观准则 参考答案:D 答案解析:[解析] 悲观准则,亦称“小中取大”准则,首先从每个方案中选择一个在不同自然状态下的最小收益值(或最大损失值),作为评价方案的基础。实际上是对每个局部方案持悲观态度,从最不利角度来考虑,把最小收益值(
第8题: [单项选择]Structural changes are also necessary to ______ the benefits of educational expansion. A. furnish B. accommodate C. afford D. decorate 参考答案:B 答案解析:该题中accommodate意思是“考虑到某种情形”;furnish意思是“装饰”,其搭配往往是furnish sb. with sth. ;afford意思是“负担得起”,经常和情态动词can连用,