词汇：根据提示写出相应单词
1．________(vi
)不同；相异→________(adj
)不同的→________(n
)差异，区别2．________(adj
)商业的；贸易的→________(n
)商业，贸易3．________(vt
)着手；从事；承担→________(过去式)→________(过去分词)4．________(vt
)扔；投；掷→________(过去式)→________(过去分词)5．________(n
)改正；修正；纠正→________(vt
)6．________(vi
)反对，不赞成→________(n
)7．________(n
)媒介；手段；工具→________(pl
)8．________(vt
)禁止；不准→________(过去式)→________(过去分词)9．________(vt
)积累；聚积→________(n
differ;different;difference2
commercial;commerce3．undertake;undertook;undertaken4
cast;cast;cast5．correction;correct6
object;objection7
medium;media8．forbid;forbade/forbad；forbidden9
accumulate;accumulationⅡ
短语：1．differ________与……不同2．pay________得到好结果；偿清3．cast________沮丧；不愉快4．object________反对；不赞成5．haveagreatimpact________对……有重大影响6．________favourof赞成；支持答案：1
课文概述：根据
