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④The manager had fallen asleep where he ________ ________(lie), without undressing. ⑤The boy ________(lie) that he ________(lie) in bed and ________(lay) a cock in a box and saw it ________(lay) an egg. 答案：①had been lying ②lay; had laid ③lay ④was lying ⑤lied; lay; laid; laying 4．limit vt. 限制；限定 n. 界限；限度 归纳拓展 (1)to the limit 达到极限 without limit 无限地；无限制地 a limit to ... ……的限度 within limits 适度地；有限度地 go beyond/over the limit 超过限度 put a limit on＝set a limit to 限制 (2)limit ... to ... 把……限制在……范围之内 (3)limited adj. 有限的 be limited to ... 局限于…… (4)limitation n. 局限；缺陷 limitless adj. 无限的；无限制的 ③The major challenge of this century is to find ways to meet the needs of a growing population ________ the limits of this single planet. 本世纪主要的挑战是要找到一些方法以满足在我们地球范围内日益增多的人口的需要。 答案：①limited ②increasing ③within 5．benefit n．利益；好处 vi. 得益 vt. 有益于；对……有益 归纳拓展 (1)benefit sb. 对某人有益 benefit from... 得益于…… (2)for the benefit of ... 为了……的利益 (3)be beneficial to sb./sth 对……有益 be of benefit to ... 对……有益 ③The money is raised ________ ________ ________ ________ the victims in this disaster. 这笔钱是为这次灾难的受害者募捐的。 答案：①a.benefits b．of benefit to c．benefits from/by ②is；beneficial to ③for the benefit of 6．combine v. 联合；结合；组合 n. 联合体 归纳拓展 (1)combine ... with/and ... 把……与……结合起来 be combined in ... 化合成…… combine together (to do) 联合起来 (2)combination n. 联合；混合 a combination of 一种……结合(物) in combination 联合起来；在联合中 in combination with 与……联合/混合 | 
