第23题: [单项选择]关于继发性肺结核,下列哪项不正确() A. 一般发生在曾受过结核感染的成人 B. 可通过内源性感染而来 C. 可通过外源性感染而来 D. 肺部局部组织炎症反应较轻 E. 大部分病人无传染性 参考答案:D
第24题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Father and daughter. B. Mother and son. C. Teacher and pupil. D. Doctor and patient. 参考答案:B 答案解析:[听力原文]
M:Go to bed early and get some rest, Tom.You have to get up early to catch the school bus to