浓氨水的浓度是多少

what do you do if you want to go shopping with your friends根据实际情况回答为题 I’m going to clean my room tonight.对clean my room 提问. what do you want to konw about your friend write questions and then write your friend撇s answers是什么意思 Did you (visit) your friends?A.meet B.go to see 英语选择题 He needs a piece of paper______ A to write B to write on C write with D writeA to write B to write onC write with D write选哪个，为什么？一定要说出为什么 英语单选题：I'd like a piece of paper____.A:to write B:to write with C:to write on She has no paper ____.A.to write B.to write with C.writing on D.to write on帮我看一下选哪一种答案,并说明原因, she has no pencil_ A to write about.B to writeshe has no pencil_ A to write about.B to write.C to write with.D to write in怎么选? I have no paper to_________.问：应该填write on还是write with?Why? 聊天时加了一个句号 比如跟别人聊天时 ,自己说了话后,别人就打几个句号像这样：.就随便回答几个字吗`?就几个子怎么采纳啊 一句话后面加几个句号,（用于网络聊天）比如：吃饭了.还行吧. 盐雾试验温度设定温度和环境温度的关联盐雾试验中设定温度为35℃,当环境温度达到40℃时,是否会影响到沉降量的收集?或是否存在其他的问题? 聊天时对方总打.这么一连串句号是什么意思对方是女生,我们聊着聊着她就这样 聊天时顺带加一句“呵呵”,RT...= =我就觉得超级不舒服,算不上强迫症 --____do you visit your grandparents in the country every month?_Twice.(看问题补充）A.How many times B.How often 我知道选第二个,但我不知道他们两个的区别,对于像often,seldom,之类的用how often,这两个究竟可不可以 Do you often go to visit your grandparents?(作肯定回答) We _always_ visit our grandparents.(对划线部分提问） ____ ____ ___ you visit your grandparents. 填空Do you like to _ your grandparents at _ 第一空填visit 第二空at填什么?填星期几吗为什么在星期一到星期天是on Monday .都用on什么什么 而在周末用at at weekend be good at造句10个~ 用be good at造句. "I write with a pen"对a pen提问 ___ ___ you ___ ___ 用be good for 句型造句 最少5个 write 【by .iN .with】a pen 用be good at be good for 造句 A pen is used to write with为什么要加个with呢?!求答案~! 含有be good at的短语造句 i have a pen to write还是/write with 王献之的洛神赋和赵孟頫的洛神赋有什么区别 别有深意的意思是什么? 呵呵有什么深意 英语翻译