【正文】
e from : die because of He died from the polluted air. die of ( illness, feelings, coldness , hunger…) In a cold winter, many wild animals may die of hunger. 15. be threatened with He was threatened with death. This kind of animal is threatened with extinction for lack of food. He threatened me with violence. threaten to do sth. The boss threatened to fire the young girl unless she did as he asked. 16. It is believed that…./ sb. (sth.) is believed to do sth. threat (n.) 17. animal population : t