构成社区的基本要素不包括
A．生活方式
B．一定的地域范围
C．相对不固定的人群
D．必需生活服务设施
E．特定的文化背景
参考答案：C
—Why didn't you come to the meeting?
—I ________ anything about it. [ ]
A. didn't tell
B. have not told
C. are not told
D. wasn't told
南方地区在全国占重要地位的资源是[ ]
A．石油、天然气
B．有色金属
C．地热及石油
D．铁矿及煤
