问题
单项选择题
肺癌细支气管充气征形成的病理基础是（）
A.肿瘤瘢痕收缩
B.瘤内含气、扩张的细支气管
C.肿瘤内残存正常含气肺组织
D.肿瘤钙化或包埋原有钙化灶所致
E.癌细胞浸润及间质反应
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
肺癌细支气管充气征形成的病理基础是（）
A.肿瘤瘢痕收缩
B.瘤内含气、扩张的细支气管
C.肿瘤内残存正常含气肺组织
D.肿瘤钙化或包埋原有钙化灶所致
E.癌细胞浸润及间质反应
参考答案：B
| 完形填空。 | ||||
| The American and the British not only 1 the same language but also share 2 number of social customs. 3 , in both America and England, people shake 4 when they meet 5 the first time. Besides, most English men will 6 the door for a woman. Neither he British nor the American object to 7_ at the post office, the movies, the bank, or 8 else.Punctuality (守时) is 9 both in England and America. That is, 10 a dinner is for seven o'clock, people either 11 _ close to that time or call up to 12 their delay. Of course, these two people observe 13 customs that are 14 . For example, the Americans have "coffee breaks" 15 the British have "tea breaks". But there are many that they have in common. | ||||
|