第四课时
31. travel by underground坐地铁
〈知识链接〉by underground乘坐地铁，by＋交通工具，是介词短语，此时by后无介词。类似的有：by bus/train/plane/underground乘坐公共汽车/火车/飞机/地铁。表示“乘坐某交通工具去某地”通常有两种表达：①go to sp by…②take the …to…。例如：坐地铁去市中心：go to the centre of the city by underground＝take the underground to the centre of the city。另外，“乘坐飞机去某地”有三种形式：go to…by plane＝take the plane to…＝fly to…(飞往…)
32. learn more about old Beijing更多地了解老北京
33. great fun很有趣 (p46)
〈知识链接〉⑴fun 名词①娱乐，嬉戏 e.g. He is full of fun.他很有趣。②有趣的人或事 We had a lot of fun at the party.在聚会上我们玩得很高兴。It is fun to play cards.玩牌很有趣。(不加a)
⑵for fun闹着玩的，e.g. I have said it just for fun.我是说着玩的。
⑶make fun of…嘲弄… e.g. They made fun of him.
34. go horse riding去骑马，e.g. You can go horse riding in Inner Mongolia.
35. keep their secret to themselves保守着他们的这个秘密
〈知识链接〉⑴keep sth to oneself不将某事说出去 e.g.①She always keeps her ideas to herself.
②The problem of stress gets worse when people keep their worries to themselves.
⑵keep secrets for sb为某人保密，e.g. Thank you so much for keeping the secret for me.
36. at the front of the bus在公交车的前部at/in the front of…在…的前部
〈知识链接〉in front of…“在…的前面”，主要指一物体在另一物体的前面，两者是分开的，反义词是behind，“在…的后面”；而at/in the front of …则指一物体中有一部分位于前部，在某物的前面部分，即两者是包容的，the front是某物的不可分割的组成部分；at/in the front of …的反义词是at the back of…在某物的后面部分；而before是“在…的面前”。
①The introduction is always in/at the front of the book.序言总是置于卷首。
②She sat in/at the front of the bus to get a good view of the country.
③Many people took photos (在前面) the Leaning Tower of Pisa.
④The robber was taken (在面前) the policeman.
37. in the final of the basketball competition在篮球赛决赛中 (p50)
〈知识链接〉in the first half of the…在…的上半场比赛中，in the second half of the…在…的下半场比赛中，in the final of the…在…的决赛中，half-time中场休息，presentation of cup and medals颁发奖杯和奖牌仪式，gold medal金牌，silver medal银牌，bronze medal铜牌。
注意：赢得/获得金牌：win a gold medal
38. take place发生；举行，不及物动词短语，不能接宾语，不能用于被动语态中。
〈知识链接〉take place ⑴发生
①The dialogue took place at a tailor’s shop.
②Great changes have taken place in China since 1989.
注意：happen是“偶然发生” e.g. What happened to him last night?
⑵举行＝be held，e.g. The wedding of Michael and Stella will take place next Sunday.
〈用法拓展〉take the place of…取代/代替…，take one’s place取代/代替某人
①Here is a toy plane to take the place of the one you lost.
②My sister is ill, and I’ve come to take her place.
Now plastics (塑料) can steel (钢材) in many ways in life.
A. take place of B. take the place of C. in place of D. instead of
39. go back to my school回到我的学校 (p51)
〈知识链接〉go back to…＝return to…回到…e.g. Hong and Macao have returned to China.
40. a fun place to visit动词不定式作后置定语，这里的fun是形容词，意为“有趣的”。 (p52)
41. the plan for today当天的计划 plan ①n.计划 ②v.计划 (p54)
〈知识链接〉make a plan制订计划，make a/the plan for…制订…的计划，plan to do sth计划做某事 e.g. make a plan for the coming summer holiday
42. change to the bus换乘公共汽车
〈知识链接〉⑴change v.，“交换”，与复数宾语连用Can we change seats?
⑵change名词，①变化(可数名词) e.g. great changes巨变 ②找给的零钱
“Don’t forget your change!” said the cashier.
43. take the bus all the way to the Palace Museum乘公共汽车直达故宫
44. make it a really fun day for everyone使每个人度过真正有趣的一天
45. let me know as soon as possible.let sb know as soon as possible尽快通知某人
46. go climbing on rocks去攀岩 (p55)