根据提示补全下列教材原句

　　1．To_make_it_even_more_of_an_adventure，everyone takes turns cooking for the rest of the camp!

　　为了更具探险性，每人要轮流为营地其他成员做饭！

　　2．Hi，why don't we make a footprint map showing_the_places_we've_visited_

or_want_to_visit?

　　你好，为什么我们不绘制一张足迹图？它可以显示我们已经参观过或要去参观的地方。

　　3．The Silk Road got its name in the 19th century when a German geographer identified it as the route through_which the Romans got their silk from China.

　　丝绸之路是19世纪得其名的，当时德国的一位地理学家认为，罗马人是通过这条路从中国得到丝绸的。

　　　阅读P32课文，选择最佳选项

　　1．What is the Silk Road?

　　A．A road covered with silk.

　　B．An ancient line of communication between East and West.

　　C．A road specially for transporting silk.

　　D．A road only in China.

　　2．When did the Silk Road get its name?

　　A．In the 19th century.

　　B．In Tang Dynasty.

　　C．In Yuan Dynasty.

　　D．After PRC was founded.

　　3．Why did Xuan Zang go to India?

A．To have a journey following the Silk Road.