This book 12 units, two revision units. A.contains; containingB.includes; contai
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This book ________ 12 units, ________ two revision units.
A.contains; containing
B.includes; containing
C.contains; including
D.includes; including
试题答案
C
题意：这本书有12个单元，包括两个复习单元。第一空强调内容，第二空表示范围与整体。