空肠粘膜内有孤立淋巴结和集合淋巴结。()
参考答案:错
On Teachers' Day, we all went to school ________ to see our teachers. [ ]
A. especially
B. specially
C. particularly
D. attentively
男性,70岁。发热,咳嗽3天就诊,痰呈砖红色果冻状。体检右上肺实变体征。X线胸片示右上大叶性肺炎,水平裂下坠。其最可能的病原体是()
A.肺炎克雷白杆菌
B.肺炎链球菌
C.肺炎支原体
D.大肠埃希菌
E.肺吸虫