Unit 1 The Changing World Topic 1知识点汇编1. take place 发生 eg: Great changes have tanken place in my hometown.2.Though I had no time to travel, I still felt very happy this holiday! 尽管我没时间去旅游，但这个假期我仍然感到很愉快 though 从属连词，用来引导让步状语从句，表“虽然；尽管”，不能与but连用如： Though he is poor, he is happy. = He is poor, but he is happy. 尽管他很贫穷，但是他很快乐 3.Could you please tell me something about Chinese teenagers? 请告诉我一些有关中国青少年的一些事情好吗？ Could /Would you please (not) do sth？请（不）做某事好吗？ eg: Could you please turn down your radio? 请把收音机声音调低好吗？ Would you please not play football here? 请不要在这儿踢球好吗？ 4.Parents couldn’t afford education for their children. 父母供不起孩子上学。
afford 常与can, could 或 be able to 连用，尤其用于否定句或疑问句，表“负担得起（做）某事；抽得出（时间）” “(can’t/ couldn’t) afford (to do) sth.” eg: We can’t afford (to buy ) this house because we don’t have enough money. 我们买不这房了，因为我们没有足够的钱 eg: He felt he couldn’t afford any time to play football. 他觉得自己没有时间踢球了 5.Our government gives support to poor families. 我们的政府能为贫困家庭提供帮助 give support to sb.= give sb. support 为某人提供帮助/ 支持 support作动词时表“供养；支持；支撑”， eg: She had to support her family at the age of ten. 她十岁时就得养家 His parents supported him in his decision.他的父母支持他的决定。
The two sticks support the tree. 两根木棍支撑着这棵树 6.Why not go and search the Internet for some information? 为什么不上网查找相关信息呢？ search sp. for sth. 搜查某地寻找某物 search sb. for sth. 搜身查找某物 search for sth./ sb.= look for sth./ sb. 搜寻某物/ 某人；eg: The villagers searched the woods for the lost children.村民们在树林里寻找失踪的孩子们 The police searched the man for the stolen money. 警察搜那个男人的身，查找被偷的钱 He is searching/ looking for his missing keys. 他在寻找他丢的钥匙 7.We often went hungry because the boss didn’t give us enough food to eat. 我们经常挨饿，因为老板不给我们足够的食物。
在这里是系动词，表“变得…”,后跟形容词,构成系表结构. eg: The food on the table went bad. 桌面上的食物变坏了. 8. One part was used to help support my family, to help send my elder brother to school. a)one part…the other (part) …一部分……另一部分…… b)elder brother 哥哥 elder 作形容词时, 是old的比较级, 一般表示家庭成员出生的顺序,在句中只能作定语,可与than连用; 而older表年龄的比较,可与 than连用. 如: His elder sister is two older than he. 他的姐姐比他大两岁. 作名词时, 表 “ 长者; 前辈; 祖先”, 如: Their customs were handed down by the elders. 他们的风俗习惯是由他们的祖先传下来的. 9. But China has developed rapidly in recent years. 但是近年来,中国发展迅速. in recent years 表 “近年来”,常与完成时连用. 如: She has learnt a lot of knowledge in recent years. 近年来,她学到了许多知识. 10. China has made such rapid progress. 中国已经取得如此迅速的进步。
progress 为不可数名词make progress 取得进步 make some/ much/ great progress 取得一些/ 许多/ 巨大的进步 11. What has happened to Beijing’s roads now? 现在北京的公路发生了什么变化？ sth. happen to sb. 某人发生了某事，如： eg: If anything happens to him, let me know. 万一他有什么不测，就请通知我 A little accident happened to her yesterday. 昨天她发生了点小意外 12. They express the rich culture of China as well. 他们也表达了丰富的中国文化 as well, too, also均表“也；又”； as well 多用于口语，只用于句末，不用逗号隔开； too 多用于口语，用于句末，要用逗号隔开； also 较正式，不用于句末； either 用于否定句，表“也不”，与too 对应eg: He likes sports as well. = He likes sports, too. = He also likes sports. 他也喜欢运动。
He didn’t come, either. 他也没来 13.keep in touch with 和…保持联系 eg: Nowadays，we keep in touch with each other by sending e-mails.14.复习现在完成时 。