2011全国大学生英语竞赛C类题 BKB的答案!为2011全国大学生英语竞赛C类题 BKB 而做
90. A A C If a third face diagonal, BC, is drawn this completes an equilateral triangle. All its sides are equal because they are cube diagonals. Being equilateral, all its angles are 60°. Part VII Writing (30 minutes, 30 marks) Task I (10 marks)
(Omitted)
Task II (20 marks)
(Omitted)
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