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背诵美文——植物拟态
Mimicry in PlantsPlant adaptations can be remarkably complex. Certain species of orchids, for instance, imitate female bees, other plants look and smell like dead animals, and still others have t
布朗严责内阁成员滥用公款 (2)
David CameronConservative Party leader David Cameron says fundamental change must come quickly. "Today we see more things that are going to make the public very angry and that show a system th...
奥巴马提议适度削减政府开支 (2)
Hints:JuThe president says all these cuts will help bring the deficit down, and will free up money to fund budget priorities. But Republicans in Congress say they will have little if any impact. ...
墨西哥城严打贪污,违章驾车(2)
最近几周,墨西哥城开始严打贪污,违章驾车But critics, including many city motorists, are skeptical. Arturo is one of them. He says the new laws will only hurt those who have to drive and will do l...