八年级英语学科导学案
课题：8AUnit4 Study skills 课型：New 课时：第5课时
设计：  徐微    单位：邳州市第二中学   
一、Teaching aims:
Learn to use the adjectives with negative prefixes “un-”、“in-”、“im-”to the opposite meanings.
二．Knowledge to prepare:
一）写出下列形容词的反义词
Certain                          comfortable
Important                        interesting                                    
friendly                         welcome                                      
manned                           active                                       
correct                          patient                                       
possible                          perfect   
polite                            personal
like                              agree
honest                            appear
order                             believe  
ability       总结归纳变化规则                                          
二）、收集以in-, un-和im-结尾的形容词，结合课本内容，总结归纳其含义
三．Teaching contents:
Step1：Lead-in
     Ask： How do you think about do-it-yourself?
Step2：Presentation
A prefix is a letter or a group of letters that add to the front of a word to form a new word.21cnjy.com
Step3：The prefixes un-,in- and im-
One of the most common prefixes for adjectives is un-. It means “not”. We add it to some adjectives to give them the opposite meaning.
We can use some other prefixes, such as in- and im-, to form new words with the opposite meaning.
前缀dis-,dis- “不”、“无”，加在某些动词或名词前构成反义词。
Step4：Add the correct prefixes to some of the adjectives so that all the sentences make sense.    (Page51)
Check the answers with them.
四、Compliance testing:
一）、完成下列表格  
名词        形容词        反义词
        important       
        comfortable       
        active       
        friendly       
        usual       
        possible       
        able       
二)、用所给单词的正确形式填空
1. Spring has come, and the trees are thick with green l__________ .
2. She’s very           （耐心）with her child
3.I consider it  ________________( 不可能) to believe a single word you say.
4.He turned on the television set hanging from the ___________ (天花板).
5.We were talking on the phone when _____________ (突然), the line went dead.
6. You must tell me _____________ (确切) what you would like to do.
7. Follow the _______________说明）on the back of the box.
8. _____________  (赢得) the support of the majority requires time, energy and devotion.
三)、完形填空
　　What do we know about the sea? We (1)______ that it looks very beautiful when the sun is shining (2)______ it. We also learn that it can be very terrible when there is a strong wind. What (3)_____ things do we know about it?
　　The first thing to remember is that the sea is very big. (4)_____ the map of the world, there is (5)______ sea than land. The sea covers three quarters of the (6)______.21教育网
　　Some parts of the sea (7)______ very shallow. But some places are very deep. There is one place near Japan. It is nearly 11 kilometers deep. The (8)____ mountain in the world is about 9 kilometers high. If we put the mountain into the sea at that place, there would be (9)______ kilometers of water above it!
　　The sea is salty. There is one sea called the Dead Sea. It is very salty. It is (10)_____ salty that swimmers cannot sink! Fish cannot live in the Dead Sea.
(     )1. A. know       B. say          C. hope            D. wish
(     )2. A. in           B. at           C. on              D. over
(     )3. A. another      B. other        C. the other        D. others
(     )4. A. Look after    B. See         C. Watch           D. Look at
(     )5. A. smaller       B. fewer        C. more           D. less
(     )6. A. land          B. world        C. water           D. mountain
(     )7. A. are           B. is           C. has been        D. were
(     )8. A. longest       B. oldest        C. tallest          D. highest
(     )9. A. 20            B. 2            C. 11             D. 9
(     )10.A. much         B. too          C. so             D. very

八年级英语学科导学案
课题：8AUnit4 Study skills 课型：New 课时：第5课时
设计：  徐微    单位：邳州市第二中学   
一、Teaching aims:
Learn to use the adjectives with negative prefixes “un-”、“in-”、“im-”to the opposite meanings.
二．Knowledge to prepare:
一）写出下列形容词的反义词
Certain                          comfortable
Important                        interesting                                    
friendly                         welcome                                      
manned                           active                                       
correct                          patient                                       
possible                          perfect   
polite                            personal
like                              agree
honest                            appear
order                             believe  
ability       总结归纳变化规则                                          
二）、收集以in-, un-和im-结尾的形容词，结合课本内容，总结归纳其含义
三．Teaching contents:
Step1：Lead-in
     Ask： How do you think about do-it-yourself?
Step2：Presentation
A prefix is a letter or a group of letters that add to the front of a word to form a new word.21cnjy.com
Step3：The prefixes un-,in- and im-
One of the most common prefixes for adjectives is un-. It means “not”. We add it to some adjectives to give them the opposite meaning.
We can use some other prefixes, such as in- and im-, to form new words with the opposite meaning.
前缀dis-,dis- “不”、“无”，加在某些动词或名词前构成反义词。
Step4：Add the correct prefixes to some of the adjectives so that all the sentences make sense.    (Page51)
Check the answers with them.
四、Compliance testing:
一）、完成下列表格  
名词        形容词        反义词
        important       
        comfortable       
        active       
        friendly       
        usual       
        possible       
        able       
二)、用所给单词的正确形式填空
1. Spring has come, and the trees are thick with green l__________ .
2. She’s very           （耐心）with her child
3.I consider it  ________________( 不可能) to believe a single word you say.
4.He turned on the television set hanging from the ___________ (天花板).
5.We were talking on the phone when _____________ (突然), the line went dead.
6. You must tell me _____________ (确切) what you would like to do.
7. Follow the _______________说明）on the back of the box.
8. _____________  (赢得) the support of the majority requires time, energy and devotion.
三)、完形填空
　　What do we know about the sea? We (1)______ that it looks very beautiful when the sun is shining (2)______ it. We also learn that it can be very terrible when there is a strong wind. What (3)_____ things do we know about it?
　　The first thing to remember is that the sea is very big. (4)_____ the map of the world, there is (5)______ sea than land. The sea covers three quarters of the (6)______.21教育网
　　Some parts of the sea (7)______ very shallow. But some places are very deep. There is one place near Japan. It is nearly 11 kilometers deep. The (8)____ mountain in the world is about 9 kilometers high. If we put the mountain into the sea at that place, there would be (9)______ kilometers of water above it!
　　The sea is salty. There is one sea called the Dead Sea. It is very salty. It is (10)_____ salty that swimmers cannot sink! Fish cannot live in the Dead Sea.
(     )1. A. know       B. say          C. hope            D. wish
(     )2. A. in           B. at           C. on              D. over
(     )3. A. another      B. other        C. the other        D. others
(     )4. A. Look after    B. See         C. Watch           D. Look at
(     )5. A. smaller       B. fewer        C. more           D. less
(     )6. A. land          B. world        C. water           D. mountain
(     )7. A. are           B. is           C. has been        D. were
(     )8. A. longest       B. oldest        C. tallest          D. highest
(     )9. A. 20            B. 2            C. 11             D. 9
(     )10.A. much         B. too          C. so             D. very