Plastic litters were sampled from 21 coastal barangays by delineating a 50-m-long transect line with three 4 m 脳 4 m quadrats. The litter sampled were counted and sorted into categories. The results showed that 17 sites were contaminated with plastic litters. In terms of residential and ...
)35. We use plasticmake bags and bottles, but weuse it too much.A for: shouldBacosA:abcC.to:)shouldn't 相关知识点: 试题来源: 解析 C; 解析:第一空介词to表示使用的目的,使用塑料是为了制作包和瓶子;后面转折词but说明语气有所转变,说明不应该过度使用,所以是否定的shouldn't,故选C. ...