这家工厂因向河流倾倒有毒化学品而被罚款。

The factory was fined for dumping ___poisonous chemicals into the river.

你能区分有毒蘑菇和可食用品种吗？

Can you tell the difference between ___poisonous mushrooms and edible varieties?

许多家用清洁剂含有有毒物质。

Many household cleaners contain ___poisonous substances.