Guide of Test:
1.This system is now used only for self-test;
2.When doing test,choose the correct answer and click the circle behind the letter of the answer you want to choose;
3.When you have answered all the questions ,press the "Hand in" button ,your score will be shown in the score frame ;
4.If the score is insatiable,you can press the "Clear" button and answer the questions again.
If you want to know the correct answers ,please press the button below :
本系统源程序编写者:陈琦元
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