有人评论当今国际局势说：“当今世界，巨人林立，日本是独角巨人，俄罗斯是生病的巨人，欧洲是缺乏凝聚力的巨人，美国是萎缩的巨人，中国是潜在的巨人……”这一评论说明，当今世界政治格局发展的趋势是（    ）

    Today is Sunday. It's a sunny day. I'm in the park with my best friends Mary and Carol. There are many people in the park. They're doing different kinds of things. Some are walking by the lake. Some are talking under a big tree. Some are singing. Some are dancing on the playground. There are some kids playing tennis. Mary, Carol and I are sitting by the pool. It's really a fun day. The people here are all very happy. They're having a good time.

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【实验一】