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When they were all at the other side, Ender called for them to attack him, all at once. Yes, thought Ender. Notbad. They gave me an untrained army, with no excellent veterans, but at least it isn't a crop of fools. I can workwith this.When they were assembled again, laughing and exhilarated, Ender began the real work. He had them freezetheir legs in the kneeling position. "Now, what are your legs good for, in combat?"Nothing, said some boys."Bean doesn't think so," said Ender."They're the best way to push off walls.""Right," Ender said, The other boy's started to complain that pushing off walls was movement, not combat."There is no combat without movement," Ender said. They fell silent and hated Bean a little more. "Now, withyour legs frozen like this, can you push off walls?"No one dared answer, for fear they'd he wrong. "Bean?" asked Ender."I've never tried it, but maybe if you faced the wall and doubled over at the waist--""Right but wrong. Watch me. My back's to the wall, legs are frozen. Since I'm kneeling, my feet are against thewall. Usually, when you push off you have to push downward, so you sring out your body behind you like astring bean, right?"Laughter."But with my legs frozen, I use pretty much the same force, pushing downward from the hips and thighs, only第 174 页 共 340 页http://www.en8848.com.cn/ 原 版 英 语 阅 读 网