基本信息
unit 1 art ⅰ.语法单句填空 1．in order not to get into trouble, advertisers are increasingly cautious about taking out ads ______(aim) at children. 答案：aimed 句意：为了不惹麻烦，广告商在登发针对孩子的广告时越来越慎重了。be aimed at“旨在，目的是”，此处为非谓语动词作定语修饰ads，故用amied at。 2．—you need to start exercising again
