Because different versions of the exam use different questions, the level of difficulty will vary slightly from test to test.
因为不同版本的试卷使用不同的问题，所以每次考试的难易程度便各不相同。
It can automatically find and organize a certain number of test questions in various types with different degrees of difficulty in certain scope in the database to form a reasonable test paper.
本系统可以从试题库中自动的查找和组织出一些不同类型、不同难度、不同章节范围内的试题来组成一份合理的试卷。
Not only does the test mark you on the number of questions answered but also on the difficulty.
测试打分不仅看你答题的数量还包括难度。
Not only does the test mark you on the number of questions answered but also on the difficulty.
测试打分不仅看你答题的数量还包括难度。
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