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【判断题】
胶体的丁达尔效应是由于分散相粒子对光产生散射作用。( )A.
正确
B.
错误
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【简答题】The surprising thing is that many people who consider themselves qualified music lovers abuse that level in listening. They go to concerts in order to lose themselves. They use music as an escape from...
【简答题】采用标准齿条型刀具，按展成法原理加工正常齿制渐开线标准直齿圆柱齿轮，不发生根切的最少齿数是zmin= [填空(1)] 。当加工齿数少于zmin的直齿轮时，为避免发生根切，刀具应进行[填空(2)]变位安装。
【多选题】What are the main objectives of M&A deals?
A.
To go public
B.
To lower operating costs
C.
To gain more efficient control of global market share
D.
To raise money
【简答题】标题栏应位于图纸的（ ）。
【单选题】GM foods cause great concerns and anger among people. What are the main concerns? Choose the one which is not the correct answer.
A.
GM foods may go against Mother Nature.
B.
The use of more precise technology makes GM foods much safer.
C.
There is no sufficient evaluation of the risks of GM foods.
D.
GM foods may lead to the reduction of biodiversity.
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