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Section B (1a－Self Check) 重点单词1.international 2.its 3.form 4．balloon 5.scissors 6.lively 7．heat 8.complete 单词变形completely 重点短语1.turn into 2．be covered with 3．different kinds of 4．according to 5．go on vacation 6．in trouble 7．send out 8．rise into 重点句型1.forms 2．try to show 3．are turned into 4．sent/sends; out; when in trouble 5．with scissors 6．look very real 7．lively 8．to complete