判断题

右上肺静脉收集右肺上叶、中叶的血液；右下肺静脉收集右肺下叶的血液。
正确
错误

答案：正确

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前列腺癌最常见的病理类型为
A、腺癌
B、鳞癌
C、尿路上皮癌
D、腺鳞癌

答案： A

The prismatic transmission shaft is shown in the figure. Wheels B and D are driving wheels and wheels A, C ,E are driven wheels. If the input powers on driving wheels B and D are equal, the output powers on driven wheels A, C and E are equal too, and if only torsional deformation is considered and bending deformation is not considered, the position of dangerous section is ( ).
A、Only in segment AB;
B、 In segment BC;
C、In segment CD;
D、 In segment AB and segment DE.

答案： D