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X8U4 2．whistle vi.n.口哨声；汽笛声 3．hesitate vi.hesitation n．犹豫；踌躇 6．classify vt.classification n．分类；归类 8．condemn vt.13．rob vt.robbery n．抢劫(行为) 19．overlook vt.20．fade vi. & vt.()褪色；减弱；逐渐消失 1．hesitate vi. hesitant adj. 犹豫的；踌躇的；迟疑的 hesitation n. 踌躇，犹豫 hesitate to do sth. 迟疑做某事 hesitate about/at/in/over (doing) sth. (做)某事犹豫不决 without hesitation 毫不犹豫地 [即学即练1](1)Don’t ___________________ that. Do it at once. 对于那件事不要再犹豫，。(2)In case you need something, please don‘t __________________ me. 如果你需要什么东西，，。 (3)He __________________ is lost. [谚]当断不断，。(4)______________________， he jumped into the river to save the drowning child.。 2．classify vt. classify sth. by/according to 根据……分类 classify sb./sth. as 把某人/物归入……类；分等级 classify sb./sth. in/into... 把某人/某物归为……类 [即学即练2](1)Zoologists ____________ them ____________ the structure of their bodies. 动物学家按它们的身体结构进行分类。(2)Eggs can __________________ their size. 鸡蛋可按大小分类。 C (3)Would you _____________ her novels ______ serious literature or other？你认为她的小说属于文学类， | 
