Step 4 Explaination

　　...8,844 meters high. 8,844米高

　　... meters high (long, wide...)

　　......米高（长,宽......)。

　　英语表示"有多长（宽，高......）"时，一般将数词和数量单位放在表示长宽高的形容词前作状语。

　　e.g. The wall is 1.7 metres wide.

　　Step 5 Listening

　　1. 1b Listen and complete the sentences.

　　1) Qomolangma is ______ than any other mountain in the world.

　　2) The Sahara is ____________ desert in the world.

　　3) The Caspian Seais ____________ of all the salt lakes.

　　4) The Nile is _________ river in the world.

　　2. 2a Listen and number the facts(1- 4) in the order you hear them.

2b Listen again and fill in the blanks in 2a with the numbers in the box.