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《Word power： Prefixes and suffixes； Organs of the body》集体备课教案优质课下载
Learn prefixes and suffixes on negative affixes
Teaching difficult points:
How to guess what a word means by looking at its prefix and suffix.
How to have a larger vocabulary with the help of prefixes and suffixes.
Teaching procedures
Step I Lead-in
First listen to an English song and fill a word containing a negative affix
Unafraid
Un afraid
prefix(否定前缀) root (词根)
Step II Presentation
Part A Prefixes
1）Un-
Unfair unfit unusual unlike unfortunate unbelievable uncomfortable uncertain unwilling unable unconscious unconditional unreliable unbearable
2）In-
invalid incapable infrequent inexperienced incorrect indefinite inaccurate inaccessible incurable insignificant incredible inappropriate inefficient ineffective informal independent inconvenient invisible
3）dis-
dislike disagree disappear dishonest discouraged disadvantage
4）im-
impossible, impolite impatient impractical immoral
illegal
irregular
irresponsible
5)由高考江西卷 阅读理解C non-profit补充特殊否定前缀
misunderstand 误会