第4题:[单选题]肺泡性肺水肿典型X线征象是( ) A. 双肺大小不一的弥漫性片状模糊影 B. 双肺下野可见柯氏A和B线 C. 肺门阴影轻度大而模糊 D. 以肺门为中心的蝶翼状阴影 E. 以上均不是 参考答案:D
第5题: [单项选择]Passage Two Questions 30 to 32 are based on the passage you have just heard.A. Man can learn. B. Man can understand things. C. Man can make all kinds of noises. D. Man has language. 参考答案:D 答案解析:[解析] What is the main difference between man and animals