Drugs are known as psychoactive substances中的known as

Drugs are known as psychoactive substances中的known as no such drugs are ever known to work这句话如何翻译? they are playing a traditional wind instrument known as the didgeridoo.中known 这句话中的两个as分别是什么成分 什么用法 antipsychotic drugs,as the name suggests,are used to treat the symptoms of severe disorders such as schizophrenia. The first step in stopping drug abuse is knowing why people start to use drugs.The reasons people abuse drugs are as different as people are) from one another.But it seems to be one common threat.People seem to take drugs to change the way they feel. be known as be known as formerly known as wachovia 英语翻译Drugs are often misused,in particular,when people rely upon them as a means of escaping problems in life.the chronic inappropriate use of drugs may be termed drug abuse.some drugs,such as those that induce induce tolerance—a physical ad as a result of the invention of paper,much ___about china is known/are known/was known/ were known个人举得选was known 毕竟造纸术都是过去的事情了。怎么答案给的是现在时？ known for 跟 known as的区别 kunming is known as sping 如题are we going to see different places? Why the middle ages are known as the dark ages or the age of faith? words that sound similar ___ known as rhyming wordsis are was were 填哪个?为什么? people are afraid of ___which is known as a terrible disease(以c开头） 这个空该填什么,Turban produces d----- fruits,which are known as grapes and melons. 请问一下be known as ,be known for,be known “design as you go basis”这个该如何理解?As many of the geological features,such as sheared discontinuities are not known in advance,it is more advantageous to put remedial measures in hand on a “design as you go basis”.我所知道的 P