cruelР……Рfierce adj. ? 凶猛的, 好斗的?Tigers and lions are very fierce animals.? 激烈的, 猛烈的?petition for the job is fierce.РHow much do you know ?about dinosaurs?РPterosaurР翼龙РTriceratopsР三角龙РStegosaurusР剑龙РtyrannosaurusР霸王龙Рkinds of dinosaursРplant-eatersРmeat-eatersРdisaster??climate changing??over hunting??…РWhat might be the reasons for ?their extinction?РGuessingР1. When did dinosaurs live?РThey lived on the earth Tens of millions of years ago, long before humans came into being.Р2. When did dinosaurs disappear?РAnimal ExtinctionРDinosaurs died out suddenly about ?65 million years ago.РReadingР4. What might be the possible reasons ? for their extinction?РMaybe that’s because a huge rock from ?space hit the earth and put too much ?dust into the air or because the earth ?got too hot to live on.
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