第7题: [单项选择]A. He was ready to make a concession. B. He was not prepared to go to court. C. He was not intimidated. D. He was a bit concerned. 参考答案:C 答案解析:[听力原文] What was the man’s reaction to the woman’s threat
第25题: [单项选择]A refrigeration system compressor crankcase is sweating or unusually coldThis is an indication of(). A. a shortage of refrigerant in the system B. air in the system C. an accumulation of liquid refrigerant in the crankcase D. a shortage of oil in the crankcase 参考答案:C