第2题: [单项选择]下列关于利率的描述，错误的是( )。 A. 要充分发挥利率的杠杆作用就要强调市场在利率决定中的作用，使政府对利率的调控直接化 B. 中央银行主要规定基准利率，商业银行体系以基准利率为基础 C. 微观经济主体的融资行为要建立在健全的利益机制基础上 D. 对不同银行的利率要有选择性 参考答案:A
第3题: [单项选择]如果“鱼和熊掌不可兼得”是不可改变的事实，则以下哪项也一定是事实 A. 鱼可得但熊掌不可得。 B. 熊掌可得但鱼不可得。 C. 鱼和熊掌皆不可得。 D. 如果鱼可得，则熊掌不可得。 参考答案:D 答案解析:鱼和熊掌不可兼得，即不能同时得到鱼和熊掌。D选项正确。A选项不正确，题干中并没有确定是得鱼还是得熊掌。B、C选项均不正确。
A. were treated unequally by American Indians B. were willing to support newcomers financially C. were great helpers of slaves and Indians D. were reluctant to help newcomers to adapt to the new surroundings 参考答案:D 答案解析:[解析] 推理判断题。文章首段第三句提到"As each group became... from full participation in the society．" (每个移民团体变得更有钱更强
第29题: [单项选择]The dean tried to retain control of the situation on campus, but his attempt was ______ by the board of trustees. A. approved B. frustrated C. disclosed D. justified 参考答案:B 答案解析:[解析] 动词词义辨析。根据句中转折连词but判定，空格应填入与tried to retain control(试图去控制)意思相对的词。选项中，frustrate(挫败，泄气)符合要求，意为“这些努力被大学董事会挫败”。故答案为B。
