1、Unit2 Topic2 SectionA 精品学案教学目标：1. 掌握四会词汇：sand, sandstorm, change into , desert, human, although, reduce, completely.2. 学习不定代词everything, anything 等的用法。 3.训练学生的听力技能，如获取细节信息等，加强策略意识的培养。3. 进一步了解有关环境污染的一些情况，提高环境保护意识。 教学重点:1. 学习不定代词的用法。 2. 训练学生的听力技能，如获取细节信息等，加强策略意识的培养。教学难点：学习不定代词everything, anything等的用法课
2、前预习：1.熟读本课要求认知和掌握的单词、词组和句型。2.尝试翻译下列的短语。猛烈的吹_砍伐_ （作为）结果_沃土_ change into _ stopfrom(doing)_吹走_ 冲走_ 人类_a large number of _ 尽某人的能力_ 过着幸福的生活_do something _ come into being _ 3.大声朗读1a，看自己能否流利的朗读，注意自己的语音语调。4.尝试完成1b 和1c 检查自己是否理解课文。5.把Part2中的短语翻译成汉语，然后利用这些短语完成2中的句子。教学过程预习展示：1. Check if the students can read
3、the new words and phrases ,pay attention to their pronunciation .2.Read 1a and finish 1c.3.In groups read 1a together and then ask several pairs of students to act it out. (Evaluating)合作学习展示：1. Group work: In group discuss and complete the sentences with the correct forms of the given phrases in the
4、 box. Finish part2.2. In pairs talk the pictures in part3, and number the pictures .3. Part4, listen to the passage and circle the phrases, then listen again and fill in the blanks.训练检测一、根据句意及中文提示完成句子，每空一词。1. Bill fell off his bike yesterday._ _ _（结果）， his left leg was broken.2. The forests are becoming fewer and fewer. Many kinds of birds and animals are _ _ .(灭绝)3.When did the Chinese _ _ _（形成）？4. When the temperature drops to zero, water will _ _ ice.5. He picked up a book and _ the dust _(吹掉)。
