题目

根据短文选择正确答案Mother: Good morning, Doctor!Doctor: Good morning, Mrs Brown. What’s wrong with your son, John?Mother: He looks ill.Doctor: Hello, John. How do you feel now?John: I don’t feel well, Doctor.Doctor: Open your mouth, John. Show me your tongue. Say “Ah”.John: Ah…Doctor: John has a bad cold, Mrs Brown.Mother: Can he go to school?Doctor: No. He must be in bed and take some medicine.Mother: Thank you ,Doctor.【1】The doctor comes to see John _____.（ ）A. in the morning B. in the afternoon C. at night【2】John is _____ . （ ）A. a doctor B. the doctor储藏蔬菜和水果时，一般都采用较低的温度，这主要是因为（ ）A. 在较低温度时，呼吸作用旺盛B. 在较低温度时，呼吸作用减弱C. 较低的温度抑制了光合作用D. 较低温度使细菌等微生物不能生存