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【简答题】
去年发现了一种新的稀有元素。
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皮皮学刷刷变学霸
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【单选题】How can nanotechnology be used to make a drug more effective?
A.
By making a drug target the locus of a disease.
B.
By changing the structure of the body cells.
C.
By lowering the side effects caused by a drug.
D.
By letting a patient take a dose as large as possible.
【简答题】简述系统建模时应遵循的基本原则 。
【简答题】简述在进行传感器建模时必须考虑的建模原则。
【简答题】简述服务器（Sever）建模的主要原则？
【单选题】How can nanotechnology be used to make a drug more effective?
A.
By making a drug target the focus of a disease.
B.
By changing the structure of the body cells.
C.
By lowering the side effects caused by a drug.
D.
By letting a patient take a dose as large as possible.
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