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【单选题】
不属于新药临床前研究内容的是A.
药效学研究
B.
一般药理学研究人体安全评价研究
C.
动物药动学研究
D.
毒理学研究
E.
人体安全评价研究
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举一反三
【简答题】The mantra of “ faster, _________, quicker” will continue to be the driving force for senior managers of organizations to achieve their business and strategic goals.
【简答题】设在 平面上， ， 所围成图形的面积为 ，则集合 的交集 所表示的图形面积为 (A) (B) (C) (B) . （ ）
【多选题】The American system of manufacturing was developed in the early 1800s. There is general agreement that the War Department was the driving force behind the development. Around this time, the Department...
A.
The system made parts interchangeable, meaning that it was no longer necessary t return or exchange a machine in the event of a malfunction.
B.
The American system of manufacturing was initially used in the armory, but industrialists soon realized it could be applied elsewhere.
C.
There is ongoing debate over who first developed the American system of manufacturing with many inventors claiming to have made the breakthrough.
D.
Manufacturers were able to reduce their costs because the new process allowed them to separate production and assembly.
【单选题】在Windows系统中,若要直接删除文件而不进入回收站,正确的操作是_________ 。
A.
选定文件后，按Shift+Del组合键
B.
选定文件后，按Ctrl+Del组合键
C.
选定文件后，按Del键
D.
选定文件后，按Shift键，再按Del键
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