(2) Test difficulty: Grade A is equivalent to Grade 4, Grade B is equivalent to Grade 3, and Grade C is equivalent to Grade 2.
(3) Test focus: mainly examine the examinee's ability to understand written English. Candidates are required to comprehensively use English language knowledge (vocabulary and grammar) and reading skills to understand professional or general English written materials.
(4) Grammar is not directly tested in the exam, but grammar is the key factor in the exam.