函数y=sinx在区间[0，n]上满足罗尔定理的ξ=
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Woman: What's the difference between a lesson and a lecture？ Man: Well, they are both ways
A lesson requires students' active involvement.
B. Students usually take an active part in a lecture.
C. More knowledge is covered in a lecture.
D. There is a larger group of people interested in lessons.
Industrial properties are protected for all of the following purpose EXCEPT ______.
A. to stimulate and ensure fair competition
B. to protect consumers and enable them make informed choices
C. to make the distinctive signs remain distinctive forever
D. to stimulate innovation, design, and creation of technology
_____
A. iteration
B. object
C. interface
D. Activity
_____
A. application
B. session
C. physical
D. Transport
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