other mountain.

　　Which is the deepest salt lake in the world?The Caspian Sea is the deepest of all the salt lake.

　　Did you know that China is one of the oldest countries in the world?Yes, I did. It's much older than the US.

Difficult points ：

1.形容词和副词的比较级和最高级变化规则和用法。

2.学会物体之间的对比。

Period One Section A (1a - 1c)

Teaching objects

Knowledge object

1. To learn new words: square, meter, deep, desert,

2.To learn to express large numbers.

3.To learn to talk about geography and nature.

Progress and method

Employ task-based teaching mode,and get the students to learn basic sentence patterns by listening and drilling.

Emotion attitudes and value

Lead students to love the nature.

Important points：

Phrases: in size, in the world, 2 meters tall/long/wide, the biggest population, one of the biggest, the most popular question, talk about, the ancient emperors,