Trees produce oxygen,为什么不是Trees provide oxygen

Trees produce oxygen,为什么不是Trees provide oxygen Trees take in harmful gases from the air ang produce oxygen for us to breathe Trees_____ turnharmful gases from the air ______ oxygen for us to breathe.英语学案上的题 because they produce oxygen and control the climate these plants will produce food and oxygen(改为被动语态). produce,oxygen,major,convenient,furniture,imagine英语造句,一个单词造一个句子. the energy can be used to h______water,produce electricity,and even create oxygen for the home 求解初二英语选择题,拜托写下选这个项的原因you can only ( )the hot soup,or you will be hurt A ）eat B)drink C)sip D)have We would ( )energy A)save B)reduce c)limit D)recycle Trees remove dust and (produce) the oxygen we breathe A)p trees can produce some chemicals to protect themselves from___hurt (be) produce 英语翻译mitochondria are used in organic matter and Oxygen to break down sugar to produce ____ for the cell. why are trees important (参考词语,take in carbon dioxide,oxygen,desert) Trees can give out oxygen. 这句的同一句（只改GIVE OUT ） The trees produce a chemical to protect themselves from insects.(保持句意不变 ）The trees produce themselves from insects _____ _____ a chemical. 1.Is she going to visit the museum?I don’t know.(用宾语从句改写句子).I don’t know ________________________________________________.2.These plants will produce food and oxygen.(改为被动语态).Food and oxygen _________________________ Trees provide oxygen,shelter for many animals and shade for our humans.They also protected soil 找文章,急. oxygen是什么 oxygen pipe Liquid Oxygen