(系列二)2016届 必修3 Unit 2 Healthy eating 课件.ppt

4. limit vt. 限制; 限定 n. 界限; 限度 【填一填　?　激活思维】介词填空。 ①He limited each person __ one cup of tea. 他限制每人只喝一杯茶。 ②Keep ______ the limits of the school campus. 不要走出校门。 ③Speeches were limited __ ten minutes each. 每次发言限定在十分钟以内。 to within to 【记一记　?　构建知识】 (1)limit . . . to . . . 　　　　把……限制在……内 (2)beyond the limit 超过限度 within the limits of 在……范围内 set a limit to sth. 对……规定限度 reach one’s limit 达到某人的极限 there is a/no limit to 对……是有限的/无限的 (3)limited adj. 有限的 be limited to sth. 受限制于…… *(2011·浙江高考)It seemed there was no limit to the heights to which kites would fly today. 今天风筝似乎可以毫无限制地高飞。 *(2012·浙江高考)He was born in a poor family, and only received a limited education in his childhood. 他出生在一个贫困家庭中, 童年时期仅仅接受了有限的教育。 5. benefit vt. vi. 有益于; 有助于; 受益 n. 好处; 利益; 优势 【填一填　?　激活思维】一句多译。 良好的饮食有利于我们的健康。 ①A good diet _______ our health. ②A good diet is __ ______ __ our health. ③Our health _______ _______ a good diet. benefits of benefit to benefits from/by 【记一记　?　构建知识】 benefit from/by . . . 　　　　 从……中受益; 得益于 benefit. . . 对……有益 be of (much/great) benefit to... be beneficial to... for the benefit of ... 为了……的利益 对……有益处 *It is said that yoga is very beneficial to human health. 据说瑜伽对人体健康有很大益处。 *The money is raised for the benefit of the victims in this disaster. 这笔钱是为这次灾难的受害者募捐的。 【核心短语】 6. get away with被放过; (做坏事)不受惩罚; 携带某物潜逃 【填一填　?　激活思维】观察句子, 写出黑体部分的含 义。 ①If you cheat in the exam you’ll never get away with it. ( ) ②Nobody gets away with insulting me like that. ( ) ③They robbed the bank and got away with a lot of money. ( ) 不受惩罚 被放过 携带……潜逃 【记一记　?　构建知识】 get acros