八年级英语上册 Unit 5 Birdwatchers Vocabulary精品学案 牛津译林版.doc

八年级英语上册 unit 5 birdwatchers vocabulary精品学案 牛津译林版课题8a unit 5 birdwatchers vocabulary 学习目标知识目标学习用否定前缀构成反义形容词并记住一些常用的这类词。能力目标学习用否定前缀的形容词表达否定含义。学习重点学习用否定前缀构成反义形容词的方法及含义。学习难点用否定前缀的形容词表达否定含义并记住一些常用的词。课前自学一、请写出下列词汇的反义词。helpful _ kind_ grateful_lucky_ happy _ usual _二、正确地读出这些单词。impolite, dishonest , unnecessary, correct , common, impossible , unfriendly , unwelcome, unable , incorrect, uncommon , litter, manners , regular , irregular 三、在文中找出这些短语并在下面写出汉语意思 。walk a long way wear new leather shoes leave litter there in the future show good manners to others 四、经过你的学习，请总结规律。un-dis-im-in-ir-课堂交流展示一、组内展示学案中的第一、二、三题，再由某一具体小组为主体进行学习。注意新单词的读音。二、free talk (talk about zhalong nature reserve )两人一组回忆课文并互相提问。三、presentation (学生或教师) with some adjectives, we can change the meaning by adding a prefix（前缀）. adding the prefixes “dis-”, “im- “in-” “ir-” or “un-” to an adjective will express the opposite meaning of the word. these prefixes mean “not” or “the opposite of” e. g. trainers are comfortable to wear. small shoes are uncomfortable.if someone shows good manners to others, he is a polite person.if someone does not show good manners to others, he is impolite.你可以再列举一些吗？四、practiceamatch the adjectives on the left with their opposite on the right.( part a)bplay a game . 每人准备好5张分别带有dis-, in- , im-, ir- un- , 前缀的卡片。每组选一名代表，然后从余下的学生中挑选一位发令员，其余学生做裁判。比赛开始，发令员大声读出形容词，要求学生快速反应举起写有正确否定前缀的卡片。举错卡片或反应明显慢于其他选手即遭淘汰，直至淘汰到最后一人，该学生即为优胜者，其所在小组为优胜小组。 还可以按此方法做几轮游戏，各组累计总分。c help the students to categorize the words using the following table. and work out some of the rulesun-dis-im-in-ir-五、小组讨论并班内展示。 what should you do and what shouldnt you do when you go birdwatching ?六、play a game game: prepare a list of adjectives with positive and negative meanings.read the adjectives one at a time. every time students hear a negative adjective, they should stand up and repeat it. if the adjective has a positive meaning, students should remain seated and keep silent.课堂达标检测一、根据汉语提示写出句中所缺的单词。 1.its _ (必要) to take an umbrella with you. but its _ (没有必要) to do this in beijing. 2.its not good to be a _ (不诚实) boy. 3.nothing is _ (不可能) if we put our minds into it. 4.its _(不礼貌) to look at foreign tourists with eyes wide open. 5.the new t-shirt makes him feel _ (不舒服).二、写出下列词汇的反义词。polite common welcome_popular safe easy regular helpful kind lucky_ 三、根据句意及字母提示填空1. he didnt pass the exam. he looks u_.2. the past form of “go” is an i_ change.3. he broke his leg in an accident yesterday. he is u_ to take part in the sports meeting.4. gardon is an i_ spelling. it must be garden.5. an h_ child never tells lies.6. do your homework as carefully as p_.7. i think its i_ for you to do so much work in an hour. vocabulary 一、1.necessary, unnecessary 2. dishonest, 3.impossible 4.impolite 5.uncomfortable 二、1.unhappy 2.irregular 3.unable 4.incorrect 5.ho