the main reason, as far as I know, no man-made objects,

Sentences:

　　What's the highest mountain in the world?Qomolangma.

　　How long is Qomolangma?It's 8,844.43 meters high. It's higher than any other mountain.

Teaching difficulties and focuses

Master the new words and expressioms.

学法指导：

展示学习目标，学生齐读核心知识，让学明白本节课学什么？学生自读教材内容，画出自己不明白的词、短语、句子，教师在巡视过程中鼓励学生并帮助解答疑问

Teaching procedures

Step 1 : Revisions

Q: What's the highest mountain in the world? How high is it?

Write down some numbers on the blackboard.

Step 2 Presentation

Learn the new words.

square meter deep desert population Asia tour tourist wall amazing ancient wide

Step 3 Warming-up

1. Watch the photos and talk about them "How big/high/long/big is ...?' and help the students to answer: It's ...meters/kilometers/cm big/high/long/big.

2. Look these photos and practice the dialogue:

e.g. A: How high is Qomolangma? B: It's 8,844 meters high.