一、导读：

Key phrases：

二、导思：

Read the passage on Pages 53－54 carefully and choose the best answer.

1．Which of the statements of the Chang'an­Tianshan Corridor is WRONG?

A. It stretches over a distance of around 5,000 kilometres.

B. It covers a total of 8,700 kilometres of trade routes.

C. China,Kazakhstan,Kyrgyzstan and India jointly pursued an application for UNESCO World Heritage status.

D. There are 33 sites along the corridor.

2．What is the purpose of Zhang Qian's journey from Chang'an to Central Asia?

A. To seek to build bridges between the Han Dynasty and the Western Regions.

B. To explore the unknown world.

C. To pay a visit to foreign emperors.

D. To conquer other regions.

3．What was NOT included in China's exports?

A. Silk.　　　　B. China.     C. Cotton.      D. Tea.

4．What contributions did the Silk Road make in the history?

A. It contributed to a great age of expansion.

B. It connected Eastern and Western civilizations,achieving a shared development.

C. It gave people access to new goods,knowledge and ideas.

D. All the above.

三、导学：

Step 1.  Read and match the main idea with each part.

（　）Part 1(Paragraph 1)　   A．The geography of the Silk Road.

（　）Part 2(Paragraph 2)     B．The trade and cultural exchanges of the Silk Road.

（　）Part 3(Paragraph 3)     C．The significance of the Silk Road.

（　）Part 4(Paragraphs 4～5) D.  The overall introduction of the Silk Road.

（　）Part 5(Paragraph 6)     E．The history of the Silk Road.

Step 2.  Key sentences

1. Covering vast distances and an astonishing variety of landscapes, the Silk Road was a network of ancient trade routes that extended from East Asia all the way to the Mediterranean. ( Line 1 )  

[归纳拓展]

cover一词多义_________________________________________________________________

extend一词多义________________________________________________________________

covering...为非谓语动词作________

that 引导____________从句,  that extended 相当于_______________

We walked down a long road    ____________ with thick snow.   (cover, 定语)

                           ____________ with thick snow.   (cover, 定从)

2. Assigned by the emperor, the ambassador Zhang Qian journeyed from Chang’an to Central Asia, seeking to build bridges between the Han Dynasty and the Western Regions .  ( Line 20 )    

[归纳拓展]

Assigned by the emperor可以转换为状语从句

= When _______________________, the ambassador Zhang Qian journeyed----.

seeking to build bridges---为非谓语动词作____________, 可以转换为 and _____________

seek 的常见短语： seek one’s advice      seek for sth= look for sth  

      seek to do sth= try to do sth

3. Following Zhang's efforts, trade routes took shape and relationships were strengthened between the major powers of the time, with the routes network reaching as far as the Roman Empire. ( Line 22)

[归纳拓展]

Following Zhang's efforts分词短语做状语

with the routes network reaching as far as  the Roman Empire，

with的复合结构做状语:

with sb/ sth   to do sth,

            doing sth,

done,

With the work ______________( finish), the boss felt anxious.

With the work ______________( finish), the boss felt relieved.

With the boy _______________ ( lead ) the way, they finally found the place.

4. At the initial stage of the Silk Road development, silk was the main item in the trade list thanks to it light weight and high value. At its peak, many other items were contributed to the marketplace of goods.          ( Line 28 )

[归纳拓展]

initially 一开始，起初   

initiative       [C]  倡议；新方案

a United Nations peace initiative    联合国的和平倡议

a government initiative to combat unemployment    政府应付失业问题的新方案

[U] 主动性；积极性；自发性

You won't get much help. You'll have to use your initiative .你不会得到多少帮助的。你得自己想办法。

She did it on her own initiative .   她是主动这么做的。

the initiative   [sing.] 掌握有利条件的能力（或机会）；主动权

to seize/lose the initiative 掌握 / 丧失先机

It was up to the US to take the initiative in repairing relations.在修复关系方面应由美国采取主动。

be contributed to 归因于，有助于

These findings were contributed to providing an insight into the successive theory of the degraded grassland.   此研究有助于进一步认识退化草原的演替规律

5.