前列腺癌放射治疗时正常组织限量要求正确的是()。 A.膀胱限量:50%体积 B.膀胱

题型:单项选择题

问题:

前列腺癌放射治疗时正常组织限量要求正确的是()。

A.膀胱限量:50%体积<70Gy

B.膀胱限量:25%体积<70Gy

C.直肠限量:50%体积<70Gy

D.阴茎球部:平均剂量≤25Gy

E.股骨头限量:10%体积<70Gy

考点:肿瘤学(医学高级)放射肿瘤治疗放射肿瘤治疗题库
题型:单项选择题

During the 1980s, unemployment (失业人数) and underemployment (不充分就业) in some countries was so high as 90 per cent. Some countries did not 【B1】 enough food; basic needs in housing and clothing were not 【B2】 . Many of these countries looked 【B3】 the industrial processes of the developed nations for solution. 【B4】 , problems cannot always be solved by 【B5】 the industrialized nations. Industry in the developed nations is highly automated and very 【B6】 . It provides fewer jobs than labor-intensive industrial 【B7】 , and highly skilled workers are needed to 【B8】 and repair the equipment. These workers must be trained, 【B9】 many nations do not have the necessary training institutions. Thus, the 【B10】 of importing industry becomes higher. Students must be sent abroad to receive vocational and 【B11】 training. 【B12】 , just to begin training, the students must 【B13】 learn English, French, Germans, or Japanese. The students then spend many years abroad, and 【B14】 do not return home. All nations agree that science and technology should be shared. The point is: countries 【B15】 the industrial processes of the developed nations need to look carefully 【B16】 the costs, be cause ninny of these costs are 【B17】 Students from these nations should 【B18】 the problems of the industrialized countries closely. 【B19】 care, they will take home not the problems of science and technology, 【B20】 the benefits.

A.institutional

B.professional

C.universal

D.fundamental

题型:单项选择题

思想品德课教学的基本原则是()。

A.理论联系实际原则

B.正面引导原则

C.从学生出发原则

D.道德与法律相结合原则

题型:单项选择题

某宗土地,其土地权利人可以出示权源文件,但其相邻宗地权利人无法提供权源文件时,应采取( )方式来进行土地确权。

A.权源确认
B.指界确认
C.协商确认
D.仲裁确认

题型:单项选择题

关于坚持党的基本路线一百年不动摇,错误的说法是( )。

A.表明我党坚持这一路线的坚定性和长期性

B.是建设有中国特色社会主义事业的客观要求

C.目前已经过时

D.克服了在党的基本路线问题上的各种模糊认识及“左”和右的阻力

题型:单项选择题

依靠压力比泵压力更高的工作流体的能量来抽送液体介质的是()。

A.滑片泵

B.水锤泵

C.内燃泵

D.喷射泵

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