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译林2003课标版《Word power： Prefixes and suffixes； Organs of the body》精品教案优质课下载
Preview prefixes and suffixes on page 46 and finish the exercise
underline the following phrases and keep them in mind
show respect/disrespect for 对...尊敬/不尊敬
be aware of 意识到
turn out (to be) =prove(to be)证明是，结果是
in place/out of place 在/不在恰当的位置
Teaching procedures:
Step I Lead-in
Step II Introduction
independence
prefix(前缀) root (词根) suffix(后缀)
Prefix: a group of letters that is added to the beginning of a word to change its meaning.Usually a prefix will change the meaning of word.
Suffix: a letter or a group of letters added to the end of a word to make a different word. A suffix will change the part of speech（词性）of a word.
Step III Prefixes
Some commonly used prefixes.
Step IV Suffixes
Some commonly used suffixes.
Step V Check the exercise on p46
Step VI Group Activities 课堂互动探究
Activity One
Some other commonly used prefixes
PrefixExample(at least 2)post-mal-non-inter-midmisen-super-
Some other commonly used suffixes
-al-ion-en-ent-er/or/ ee-iveQuiz
Fill in the blank with proper words.