问题 单项选择题 A1/A2型题

女性,30岁。过去有肺结核病史,近2个月咳嗽,无痰,少量间断咯血,乏力,胸片未见活动性肺结核病变,但痰结核菌两次(+),进一步检查首选().

A.血沉

B.肺部CT

C.结核菌素实验

D.痰脱落细胞检查

E.纤维支气管镜

答案

参考答案:E

解析:纤维支气管镜检查常应用于支气管结核和淋巴结支气管瘘的诊断,支气管结核表现为黏膜充血、溃疡、糜烂、组织增生、形成瘢痕和支气管狭窄,可以在病灶部位行活体组织病理学检查、结核分枝杆菌培养等。

单项选择题 A型题
单项选择题

The history of African—Americans during the past 400 years is traditionally narrated (1) an ongoing struggle against (2) and indifference on the part of the American mainstream, and a struggle (3) as an upward movement is (4) toward ever more justice and opportunity.

Technology in and of (5) is not at fault; it’s much too simple to say that gunpowder or agricultural machinery or fiber optics (6) been the enemy of an (7) group of people. A certain machine is put (8) work in a certain way—the purpose (9) which it was designed. The people who design the machines are not intent on unleashing chaos; they are usually trying to (10) a task more quickly, cleanly, or cheaply, (11) the imperative of innovation and efficiency that has ruled Western civilization (12) the Renaissance.

Mastery of technology is second only (13) money as the true measure of accomplishment in this country, and it is very likely that by (14) this under-representation in the technological realm, and by not questioning and examining the folkways that have (15) it, blacks are allowing. (16) to be kept out of the mainstream once again. This time, however, they will be (17) from the greatest cash engine of the twenty-first century. Inner-city blacks in particular are in danger, and the beautiful suburbs (18) ring the decay of Hartford, shed the past and learn to exist without contemplating or encountering the tragedy of the inner city.

And blacks must change as well. The ways that (19) their ancestors through captivity and coming to freedom have begun to loose their utility. If blacks (20) to survive as full participants in this society, they have to understand what works now.

6()

A. have

B. to have

C. has

D. to has