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碳硅硫磷是由原子构成,硼是由原子构成的吗 Susan goes to the movies___________ A.twice every week B.once every day C.four times a month 选A吧 一月一次是once a month ,两次是 twice a month,是不是三次后都是序数词?次数都是序数词,月份都是基数词了?三月是 third a month?am i right?thank youI can't thank you enough :-) the population of the world is growing____a surprising rateA onB inC at D above I shop once or twice a month 划线部分 once or twice a month 提问 i play football at once or twice a month One-third of the world's population is 这一句哪里出错了改错～ 酸性条件下能存在强还原性的离子吗 What do you want(改为同义句) what___you___? she hardly ever goes to the movies on saturday The population of the world is growing faster and faster.There will be standing___only in about 600 years.A.rooms B.place C.room D.ground the population of the world is increasing very fast.的同义句 Which bus goes to the Train Station?的回答 The population is growing fast可以说has been growing 为什么 I take a bus to the police station(改为一般疑问句） The holiday is coming.Some people have panned to go to Beijing,___have decided to stay at home.A.the other B.others C.some D.the other 怎样学物理透镜? 补充填空 Many people (t ) a long way to spend the holiday Many people were too busy to____a holiday before the Olympics last yearA．explore B.afford C.offer D.connect SO3 2- →SO2,有离子了,这怎么判断是加入氧化剂还是还原剂? I go to the movie once a month (改为同义句) I _______ ________ ________once a week S到SO2能否不用氧化剂,SO2到SO3能否不用氧化剂? 【达标练习】 一、选出正确的选项.1.We go to the movies ______(once/every)a month.【达标练习】 一、选出正确的选项. We go to the movies ______(once/every)a month. 2.How _______(many/often) hours do you sleep? 3.Lily is 下列变化中,需加入氧化剂才能实现的是 A.HCl-H2 B.CO-CO2 C.SO2-SO3 D.FeCl3-FeCl2 I go to the movie once a month.（改为同义句） I once a month.急急急急急急急急急急急急急急急急急急急急急急急急急I （ ） once a month. My wife and I go to the cinema once a month （对画线部分提问） _____________ 达人们帮忙写一篇英文作文,作为参考.“the chinese youth of today”最好附上中文 ） 字数控制在200字左右 A是非金属物质,B是金属氧化物,A与氧气反应生成C,B与水反应生成D,C与D反应生成E和水,E在高温下分解为B和C，则A为 B为 写出C和D的化学方程式 帮忙写一篇英语作文,350字左右!The environment problems facing today's world are so great that thereThe environment problems facing today's world are so great that there is little ordinary people can do to improve the situation.Government a 英语的作文 ,必须今天写的 1,My school trip 2,The person i admire3,My dream job,这些作文写80字左右 ,要容易背诵的 ,今天就要完成了 爱护环境的诗句 热爱大自然的诗句