二、多项选择题 1 [答案] BCDE [解析] 参见教材P216 2 [答案] CDE [解析] 参见教材P217 3 [答案] BCDE [解析] 参见教材P219 4 [答案] AC [解析] 参见教材P219 5 [答案] DE [解析] 参见教材P219 6 [答案] CD [解析] 参见教材P221 7 [答案] BCE [解析] 参见教材P222 8 [答案] ACDE [解析] 参见教材P222 9 [答案] BCDE [解析] 参见教材P223 10 [答案] BE [解析] 参见教材P224 11 [答案] CE [解析] 参见教材P225 12 [答案] ABCE [解析] 参见教材P226 13 [答案] BE [解析] 参见教材P227 |