焊接必须戴口罩吗

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The girl didn't know()when the house caught fire.填空 14.The old man didn’t know _______ when the house caught fire .A.what to do it B.how to do C.how to do it D.what to do 选哪个 为什么 My father --- --- --- ---(看报)at eight o'clock last night 蓝色染料是通过植物的那个部分运输到花的? Mary likes to sing Chinese songs.改同义句 Mary_____ ______Chinese songs. What____you_____tomorrow,Tom?Awill;doing Bare;do Care;doing Dare;going do 改为同义句 Mary likes to sing Chinese songs mary _____ ______ Chinese songs I was (learning Einlish )at eight o’clock last night.对括号部分题为 15.Jane likes ¬¬¬_______ after school.A.meeting up her old friends B.to meet with her old friendsC.meetting up with her old friends D.to meet up with her old friends 植物中的一种花卉串蓝的应用特点 Jane's family likes to talk after supper的意思 tv,he,watching,likes,after,school(.) BOB LIKES PIAYING SPORTS AFTER SCHOOL.提问 Did you( )Tom slip off? ( )you and Tom ( )mto London tomorrow? 昨天晚上你哥哥出什么事了? your brother last night? She asked me ( )question with () smile A.a:the B.the:/ C././ D.a:a都搞不清了~能写下为什么不? “姹紫嫣红的月季,芳香四溢的玫瑰,构成花的世界.”是病句吗? the first kiss with her,I hope she will be happyness的意思 She g____ us with a smile . 从方框中所给单词的适当形式填空,使短文正确,通顺,每词限用一次:(enjoy ,listen ,happy ,well ,col四.从方框中所给单词的适当形式填空,使短文正确,通顺,每词限用一次:(enjoy ,listen ,happy ,well ,colle 用方框中所给单词的适当形式填空 ,使短文正确,通顺,每词限用一次:(in ,coin ,they ,spend ,other用方框中所给单词的适当形式填空 ,使短文正确,通顺,每词限用一次:(in ,coin ,they ,spend ,other ,interesting 参照示例,运用古诗词的相关知识,在方框内填上适当的词语示例:梅对杏,李对桃,芍药对芭蕉,春分对夏至,水远对山遥.青鱼潜绿水,白鹤上碧霄.烟火万家人两岸,春江一曲柳千条.优对劣,丑对佳, 英语翻译1.Food security in the modern world;changing market policies to address hunger.2.Sustainable agriculture and rurai development.3.Protection of children in armed conflict;disarmament,demobilization and reintegration of child soldiers.4.Rig when i with she 还是 when i with her? She ran catch up with herJenny saw Danny on her way to school.She ran_____(catch up with) her When presented with the first price,she ___ with delight.A、beamedB、 laughed C、cried D、 smiled为什么选A 请翻译句子 这是什么植物?草本,叶子像韭菜,种子是罕见的蓝色 When she caught up with them,......caught up with them中用with吗?不要它对吗? 改变字序后意思基本不变的成语例如:夜以继日 日以继夜 根据句意,用方框中所给的单词的适当形式填空 黑板上的记忆