卷子答案网--一个不只有试卷的网站
A At 9 feet tall and weighing about 250 pounds, the ostrich （鸵鸟） is the world’s largest bird. As the myth goes, a frightened ostrich will bury its head in the sand 1 （make） itself invisible to its hunters. If that sounds like a “bird-brained” way to escape danger, you’re right! Actually, the ostrich plays dead in this way. When this behavior 2 （see） from a distance, the ostrich’s head might not be visible, 3 （give） the false impression that its head is buried. B I picke