deny that industries causes acid rain admit that they are only partly responsible claim that they are the main sources of pollution think that the cause of acid rain needs further study

Everytimeyouturnonthetelevisionortakearideinacaryo

Text1 Acidrainwhichisaformof’airpollutioncurr

the origin of acid rain the cause of acid rain the formation .of acid rain the widespread damage of acid rain

Fromthefirstsentenceofthepassagewelearnthat______

acid rain has caused air pollution acid rain has caused widespread environmental damage acid, rain has become a much studied subject acid rain travels in all directions before it rains down

Whenfightingaspreadingfireresultingfromabrokenfuel

look for a CO2 extinguisher use a soda acid extinguisher shut off the fuel supply smother the fire with rags

阿司匹林的英文名称是

Aspirin Asparric acid salicylic acid Ampicillin Acetic acid

Pecticsubstancesinfruitsinclude____________pectini

whichofthefollowingistheequivalentfor甘草酸

licoricece glacialacetic acid glycyrrhetinic acid sweet saponin glycyrrhetinic acid glycoside

阅读理解阅读下面短文后根据短文内容从题中所给A.B.C.D.四个选项中选出最佳答案Everytime

Acidfog______

falls down when the atmosphere is moist is not as frequent as acid rain often falls in the region of Manchester, England is as damaging as acid rain

Foklicacid能参与单碳分子的转移其活性型为

Monofolicacid Difolic acid Trifolic acid Tetrafolic acid