第3题: [单项选择]( )是银行在商业汇票上签章承诺按出票人指示到期付款的行为。 A. 承兑 B. 担保 C. 信用证 D. 信贷承诺 参考答案:A 答案解析:承兑是银行在商业汇票上签章承诺按出票人指示到期付款的行为,故A选项符合题意。担保是银行根据客户的要求,向受益人保证按照约定以支付一定货币的方式履行债务或者承担责任的行为。故B选项不符合题意。信用证是一
第19题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. The apples and bananas are very good. B. The apples are not so good as the bantams. C. The apples and bananas may not be. so good. D. The apples and bananas are as good as they look. 参考答案:C 答案解析:[听力原文]
W:I intend to buy some fruit for the children,These apples and bananas seem to be in season.
第20题: [单项选择]慢性甲基汞中毒最早出现的临床症状常是()。 A. 中心性视野缩小 B. 运动失调 C. 精神症状 D. 谵妄 E. 语言和听力障碍 参考答案:C