Directions:

Study the following charts carefully and write an article. In your article, you should cover the following points:

1) describe the phenomenon;

2) analyze the phenomenon and give your comment it.

You should write about 160-200 words neatly on ANSWER SHEET 2.

下列有利于生物多样性保护的是[ ]

A．严格执行海洋伏季休渔制度

B．大量收集珍稀物种做标本

C．随意引进外来物种

D．大力开发自然保护区旅游资源