第31题: [单项选择]信用证付款电文的格式是() A. MT103 B. MT300 C. MT202 D. MT200 参考答案:C
第32题: [单项选择]Which of the following phrases in the fifth paragraph indicates the fridge's negative effect on the environment A. "Hum continuously" B. "Climatically almost unnecessary" C. "Artificially-cooled space" D. "With mild temperatures" 参考答案:A 答案解析:依据文章第五段第三行和文章最后一句,冰箱连续发出的嗡嗡声应视为对环境的负面影响。