第21题: [单项选择]Chemistry is the science of ______ while physics is the science of energy. A. bodies B. objects C. substances D. matters 参考答案:C 答案解析:题意是:化学是______的科学,而物理是能量的科学。[C]substances“物质”,符合题意。[A]bodies“身体”,[B]objects“物体”,[D]matters“事情”都不符合题意。
第28题: [单项选择]Questions 11 to 18 are based on the conversation yon have just heard. A. Monday morning. B. Monday afternoon. C. Wednesday morning. D. Friday afternoon. 参考答案:B 答案解析:[听力原文] M: When can I make the earliest appointment with Dr. Johnson W: Dr. Johnson has appoin