Table 1: Comparison matrix C for test-sheet composition.

C1C2C3C4C5C6C7C8

C113563656
C21/31251323
C31/51/2111/4314
C41/61/5111/61/31/51/3
C51/31461656
C61/61/31/331/611/51
C71/51/2151/5513
C81/61/31/431/611/31

* present 8 constraints, respectively, that is, total score, test time, chapter score, knowledge point score, question type score, cognitive level score, difficulty degree, and discrimination degree.