One class randomly formed the experimental class receiving the grammar-assisted lexical approach, with grammar awareness-raising activities incorporated in speaking class.
其中一个班被随机定为实验班，采用语法辅助的词块法：语法意识提升活动加入了口语课堂教学活动。
Experimental evaluation of natural enemy activities in cabbage fields treated with different pest control strategies.
蔬菜田不同防治策略下天敌控害作用的实验评价。
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