第18题: [单项选择]氨茶碱的物理性质是 A. 白色或类白色的颗粒或粉末,有氨臭,易结块,有引湿性,易溶于水 B. 白色或微黄色的颗粒或粉末,有氨臭,易结块,有引湿性,易溶于醇 C. 白色或类白色结晶性粉末,有氨臭,易结块,有引湿性,易溶于水 D. 白色或微黄色的颗粒或粉末,有氨臭,易结块,有引湿性,易溶于水 E. 白色或类白色结晶性粉末,有氨臭,易结块,有引湿性,易溶于醇 参考答案:D
第22题: [单项选择]What type of people love the colour of orange A. Pessimists and quiet people. B. Optimists and energetic people. C. Nihilists and demotivated people. 参考答案:B 答案解析:男士问女士橘色怎么样。女士回答说Orange is a very energetic colour. People who are attracted to orange are people who