题目内容
The process of gradual and (seemingly) directional change in the structural of the community through time is called ( )
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Succession is a series of changes leading to a stable climax, whose character is determined by local environment. Once established, a beech-maple forest perpetuates itself, and its general appearance changes little despite constant replacement of individuals within the community.
“抓住机遇、深化改革、扩大开放、促进发展、保证稳定”的基本方针,是党在( )年提出的。
( )年1月18日至2月21日,邓小平先后视察武昌、深圳、珠海、上海等地,发表重要谈话。
《加快改革开放和现代化建设步伐,夺取有中国特色社会主义事业的更大胜利》是( )的大会报告。
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