If poisons like DDT __________ to contro...ental repercussions.

中国大学MOOC: If you ______ toxic fumes, the poisons go directly into the bloodstream and quickly travel to organs.

The following are not animal poisons A: Tetrodotoxin B: Boao element C: Toad toxin D: Nux vomica

In Bluest Eyes, Pecola poisons the dog because she believes that in return she will get a pair of blue eyes.

Poisons<br/>are primarily metabolized in which of the following organs () A: Liver B: Lung C: Kidney D: Pancreas

If you ______ toxic fumes, the poisons go directly into the bloodstream and quickly travel to organs. A: exhale B: inhale C: export D: import

Scientists want to postpone the day when______. A: all insects will be eliminated B: all insecticides will be abandoned C: super-bugs resistant to all poisons come out D: scientists must invent new insecticides

5.关于"All substances are poisons, there is none which is not a poison. The right dose differentiates a poison and remedy."这句话的理解，正确的是 A: 事物具有多面性 B: 一种化学物质是否是毒物，与生物接触的剂量有关 C: 生活习惯对健康的重要性 D: 有机体对污染物的敏感性决定物质的毒性