八届四中全会指出，（）是社会主义民主政治的根本保障。
A.制度化
B.规范化
C.程序化
D.专业化
参考答案：A, B, C
It's less expensive to buy goods in ___, but you'd better examine the ___ before buying them. [ ]
A. quantity ; quality
B. quantity ; quantity
C. quality ; quality
D. quality ; quantity
急性脊髓炎最常见的受累部位在（）
A.T3～T5
B.C3～C5
C.L3～L5
D.T10～T12
E.L1～L2
