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问题 单项选择题 A1型题

下列哪种行为违反了辐射实践的正当性（）

A.为了解甲状腺结节的功能进行甲状腺显像

B.为了解有无骨骼转移乳腺癌患者术后复查骨显像

C.为了解肿瘤分期进行F-FDGPET全身显像

D.为诊断肺动脉血栓栓塞症进行肺灌注显像

E.为了解甲亢患者甲状腺摄碘功能进行131I显像

答案

参考答案：E

解析：甲状腺摄碘功能可通过测量摄碘率来了解，无需进行I显像。

选择题

下列不符合20世纪20年代国际政治形势特点的是

A．全世界受到法西斯侵略的威胁

B．世界反法西斯统一战线形成

C．凡尔赛--华盛顿体系逐渐崩溃

D．欧、亚两个战争策源地形成
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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.

14（）

A.totolerate

B.tolerate

C.tolerated

D.tolerating
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