pollution is (harm) to 中间用什么形式

pollution is (harm) to 中间用什么形式 It's known to us_______there is pollution,there is harm.高一英语单选 Noise pollution is doing much harm to our health now谢谢了, It is known to us ___ where is pollution there is harm.A.whichB.whereC.whatD.that As is known to all,___ there is pollution ,there is harm.A.where B.that whereB 为什么 It is known to as ___there is pollution ,there is harm.a.thatb.wherec.whatd.that where---b,why is not d 【急】Noise pollution is doing much harm to our health now.Noise is a kind of inNoise pollution is doing much harm to our health now．Noise is a kind of invisible(无形的)killer．More and more students enjoy listening to music very much．When Up to now air pollution _____(do)great harm to human beings. Air pollution can do____ to people's eyes,nose and throatbad还是harm The water in the river is (harm) Air pollution is more serious than water pollution.的意思? Drinking polluted _water the healthA do harm to B does harm to C is harmful for B does harm to Drinking too much your health.A.do harm to B.is harmful C.does harm to D.do harm There is no harm in trying.There is no harm in trying.in trying是什么语法? the serious air pollution has done severe harm to people's health这里的has done怎么理解 why air pollution is the most serious? N___ pollution is bad for our hearing. What's wore is that pollution has