Unit 2 Working the land Using language学案

一、 [学习目标]

1. To improve the ability of reading.

2.To grasp the two reading techniques(技巧) : a.略读或浏览阅读 b. 扫描式阅读

二、[自主预习]

Step1: Reading(A pioneer for all people)

1. Skimming: Read the text silently and quickly. Underline the topic sentence of each paragraph and get the main idea of the paragraph. (方法引导：略读或浏览阅读，忽略不懂的句子和生词，快速阅读原文，目的只是为了了解阅读材料店内容大意，题目的作用不可忽略)

2. Scanning: Read the text quickly and then answer the following questions. (方法引导：先看题，再快速阅读文章，找出题目答案，要带着问题，有目的地阅读)

Q1. Why are chemical fertilizers so popular in farming today?

Q2. What problems can be caused by using chemical fertilizers?

Q3. What is organic farming?

Q4. What are the advantages of organic farming?

Q5. What ways does organic farmers use to keep the soil fertile?

Q6. What is the main reason for using organic farming methods?

三. [合作探究]

Step1: Key phrases

1. 增加产量

2. 被冲走

3增加,加强

4. 导致癌症

5. 此外,另外

6. 转向有机农业

7. 专注于保持土壤肥沃与免受疾病

8. 减少疾病

9. 种庄稼/作物