将人体实验分为临床性与非临床性研究并提出不同道德原则的医德文献是()
A.“东京宣言”
B.“悉尼宣言”
C.“纽伦堡法典”
D.“赫尔新基宣言”
参考答案:D
---“Excuse me, sir? Would you mind moving a little bit to the left? You ______ my view of the screen.”
---Oh, sorry I ________ it.
A.are blocking out; didn’t realize
B. are blocking up; haven’t realized
C.have blocked up; don’t realize
D.have blocked out; didn’t realize
静力压桩法与锤击沉桩相比,它具有施工()和提高施工质量等特点。
A.无噪声
B.有振动
C.浪费材料
D.降低成本
E.沉桩速度慢