→transformation n．变化，转化

adj.＋­il→adj. (反义词) adj.(­t)→n.(­ce) legible→illegible 难以辨认的

liberal→illiberal 不开明的

logical→illogical 不合逻辑的 absent→absence 缺席

present→presence 出席

confident→confidence 信心 　　Ⅲ.补全短语

　　根据提示补全下列短语。

　　1．on the one hand 一方面

　　2．on the other hand 另一方面

　　3．toy with 戏弄，摆弄；把......当作儿戏

　　4．push ahead with 义无反顾地进行，努力推进

　　5．for sale 供出售，待销售

　　6．in general 一般而言

　　7．point out 指出

　　8．concentrate on 全神贯注于

　　Ⅳ.选词填空

　　选用上述短语的适当形式填空。

　　1．I felt I could not move another step，but after lunch I got my second wind and pushed ahead with the rest.

　　2．In order to pay off his debt，he put up his car for sale last week.

　　3．Generally speaking，it's hard to spend enough time in both concentrating on lessons and taking part in social activities.

　　4．While she was talking on the phone，she toyed with her pencil.

　　5．As has already been pointed out，grammar is not a set of dead rules.

prep.＋n.→介词短语 push＋prep./adv.→动词短语 at war 在交战

in danger 处于危险

under construction

在修建中 push forward 继续前行

push over 推翻，推倒

push through 使通过