第31题: [单项选择]键盘是计算机的()设备。 A. 标准输出 B. 主机 C. 标准输入 参考答案:C
第32题: [单项选择]Only one-fifth of Americans saw oil as the chief mason that the U.S. made a war on Iraq, but 75 percent of the French and of the Russians believed ______. A. to B. so C. go D. do 参考答案:B 答案解析:[解析] 习语辨析。 believe想,认为:“Has he arrived yet ”“I believe so.”“他到了吗 ”“我想是到了。”