Unit 5 Section Ⅱ Starting out & Understanding ideas—Language points（Word教参）-【优化指导】2023-2024学年新教材高中英语选择性必修第二册（外研版2019）

Section Ⅱ　Starting out & Understandingideas—Language points [对应学生用书P113] 1 appetite n．胃口，食欲；强烈欲望 Unfortunately，the cats subsequently developed an appetite for the birds，too. 不幸的是，猫随后也对鸟产生了食欲。 ►情景探究 ①He has an amazing appetite for hard work. 他对努力工作有着惊人的欲望。 ②She has completely lost her appetite since she was infected with the virus. 自从感染了病毒以后，她完全没有了食欲。 ►要点突破 ①develop an appetite for 对……产生食欲/欲望 ②have an appetite for 对……有兴趣/欲望 ③have no appetite for 对……没有兴趣/欲望 ④lose one's appetite 某人没有食欲 ►学以致用 [单句填空] ①He had an enormous appetite for computers when he was at school. ②All that walking has given me an appetite for dinner. [完成句子] ③她没有食欲，体重也开始减轻。 She had no appetite and began to lose weight. 2 decrease v．(使)变小，(使)减少 But although the virus caused the rabbit population to decrease from 130，000 to around 10，000，it also meant less food for the cats. 然而，虽然病毒使得兔子的数量从130 000减少到10 000只左右，这也意味着猫的食物变少了。 ►情景探究 ①By 1881，the population of Ireland had decreased to 5.2 million. 到1881年，爱尔兰的人口已经减少到520万了。 ②The traffic accidents in the city decreased by 30% last year. 该城市去年的交通事故减少了百分之三十。 ③The number of poor men is on the decrease as the economy is growing. 随着经济发展，贫困人口数量正在减少。 ►要点突破 ①decrease from ...to ...从……减少到…… decrease to ...减少到…… decrease by ...减少了…… ②decrease n．减少；减少量 on the decrease 在减少中 decrease的反义词increase的用法如下： ①increase to 增加(长)到…… ②increase by 增加(长)了…… ③increase from ...to ...从……增加到…… ④on the increase在增加 ►学以致用 [单句填空] ①Jack bought the jacket because the price of it decreased by 40 percent. ②Because of human activities，the number of some rare animals is on the decrease. ③The number of teaching staff members in this school has decreased to 700. [完成句子] ④今年这所学校的新生人数从2 100减少到1 600。 The number of new students in this school decreased from 2，100 to 1，600 this year. 3 in consequence 因此；结果 The cats in consequence turned their attention—and their stomachs—back to the native birds，killing up to 60，000 each year. 因此，猫把注意力和胃口重新转向了当地鸟类，每年杀死多达60 000只。 ►情景探究 ①He studied hard，and in conseque