4. Unit 2 Crossing Limits

5. Reaching out across the ocean Read the text carefully and answer the following questions: 1.In the Han Dynasty, who traveled over land to the East Roman Empire? 2.Between the Han and early the Tang Dynasty, which Part of Africa developed into the world trade centre? 3. During the Tang Dynasty which traveler wrote Record of My Travels? 4. Before the Song Dynasty which means of transport did Chinese travelers mainly use? 5. In the eleventh century, who made several voyages to the court of the Song Dynasty? Gan Ying Swahili kingdoms and the islands off the African coast Du Huan Over land The Africans

6. Period NameWay of travel Goods Ancient times Han Dynasty Tang Dynasty Ming Dynasty Silk RoadSpices, glass Gan Ying over landrhinoceros horn Du Huan over land/ by boat Zheng He by boat zebras, giraffes, ivory, rhinoceros horns, shells

7. Language points: 1. search for 寻找 ; 搜寻 e.g. The police searched the woods for a lost child. search + 被搜的对象 + for + 寻找的目标 2. long before before long 很久以前 不久以后 ____________ this used to be a wild land. ____________ your dream will come true. Long before Before long 3. contact n. 接触 ; 交往 ; 联系 have contacts with 与 …… 有联系 get in contact / touch with keep in contact / touch with be out of contact / touch with in search of 寻找 ; 寻求 search into 调查 ; 探究 与 …… 取得联系 与 …… 保持联系 与 …… 失去联系

8. 4. lead to 导致 ; 通向 + doing to 为介词的动词短语 : look forward to 期盼 ; 期望 refer to 提到 ; 谈到 pay attention to 注意 stick to 坚持 draw one’s attention to 注意 object to 反对 contribute to 为 … 做贡献 belong to 属于 be used to 习惯于 take to 开始从事于 get close to 接近于 see to 负责 ; 注意 devote … to 致力于 go down to 开始做 5. in the + 序数词 + century 在 …… 世纪 in the 1990s / 1990’s 在 20 世纪 90 年代 in the early / mid / late 1990s / 1990’s in 1995 在 1995 年 in + 年份 在 …… 年 in + one’s + 基数词的复数形式 在某人多少岁时 e.g. in my twenties

9. 6. reach v. 达到 ; 延伸 ; 伸出手 ( 或脚 ); e.g. He reached out for the dictionary. I can’t reach that book. Your letter reached me this morning. above / beyond one’s reach out of one’s reach within one’s reach ( 人的 ) 手或能力所不能及之处 在 ( 某人 ) 的手所不能及之处 在 ( 某人 ) 的手或能力所能及之处 e.g. The price is within my reach. 7. date from 追溯到 ;( 从某一时代 ) 开始 =date back to e.g. This custom can date back to the 16 th century. 8. in return 作为回报 e.g. If you give me your photo, I’ll give you mine in return. in return for 作为 …… 的报答；作为 …… 的交换 e.g. He didn’t except anything in return for his help.

10. Sentence pattern: It is well known that… 众所周知 …… e.g. It is well known that Sanya is a beautiful city.

11. Goodbye!