Transfer function is suitable for（）system
A. Linear time-invariant system with single input and single output
B. Linear time-varying system with single input and single output
C. multiple input and multiple output
D. nonlinear system
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Based on the recent trade statistics, presently China’s largest export trade method is____（）
A. general trade export
B. processing trade export
C. other forms of trade export
D. compensation trade export
At present, the Belt & Road Initiative involves a lot of areas across the world, including_____（）
A. Southeast Asia
B. Central Asia
Central and Eastern Europe
D. Latin America
Function overloading means（）
A. Two or more functions have the same function name, but the number or type of parameters are different
B. Two or more functions have the same name and the same number of parameters, but the types of parameters can be different
C. Two or more functions have different names, but the number or type of parameters are the same
D. Two or more functions have the same function name and return type
About C++ and C language, which of the following statements is wrong（）
A. C is a subset of C++
B. C program can run in C++ environment
C++ program can run in C environment
D. C++ is object-oriented and C is process oriented
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