1 知识精讲 Concentration 1Conception 12123n 3n n n1B Exercise(1)(2)2A ExerciseB2(3)3Exercise(1)B(2)D(3)D2 3Conception 1n 2B Exercise(1)C(2)C(3)数(4)C5A Exercise(1)D(2)A(3)4Conception 6BExerciseD 7B Exercise(1)D(2)C(3)D(4)D5Conception 3 1238不不CExercise(1)C(2)A 9DExercise A 10不不(1)A(2)CExercise(1)C(2)()11根据组合体的三视图还原该组合体根据组合体的三视图还原该组合体A 4 Exercise C 12 38Exercise C13110 21 2 3 33200 Exercise 30
