黄道婆发明了什么

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喝井水多好吗?井水都有什么成分? 长期喝深井水好吗?我家在农村有一套房子,夏天到农村来住!院子里打了一口100米的深井,水泵在大概八十米深处!我想问一下长期喝这种深井水好吗?对人体有害吗?还是要煮沸了再喝呢?本人比 有关乐于助人的格言和古诗词格言四句古诗词四句除了1、君子贵人贱己,先人而后己.——《礼记·访记》 2 、辅车相依,唇亡齿寒.——《左传.鲁僖公五年》 3、路见不平,拔刀相助.—— 有首歌歌词好像是i see you looking at me,女生唱的.我听见有句歌词好像是i see you looking at me,女声,很欢快,最近还有点火的. 一首比较劲爆的摇滚歌曲,开头是“I see you looking at me..."的, 求歌名!第一句是i see you look at me第一句是i see you look at me that i got what you need.是舞曲 爵士的 女声的谢谢了.不是do something我提供的歌词就是第一句. If I can look at you silently forever .I am also very happiness xxx真聪明作文 she's got的完整形式 You don"t look well,You should look after your hardly的中文意思 革命性质由什么决定- -.我们改成了新课标,老师竟然说革命纲领决定了革命性质. He was (luck) enough to find the good job.跟什么词性? She was in a dilemma whether to stay at school or get a job.改写成She was in a dilemma whether staying at school or getting a job.可以不,而这有什么区别 与日本大化改新同性质的改革(中国)中国与日本大化改新同性质的改革 大化革新的内容、性质和意义希望能简练一点 中国古代与大化改新性质相似的改革是? “大化改新前后日本经济和社会状况发生了怎样的变化?你如何评价大化改新的性质?百度的 不要百度的 一、若m(m≥0).n满足3√m +5|n|=7,x=2√m -3|n|.求x的范围.二、已知a=√3 b=2 求(a+b)^2-(a+b)(a-b)/2b的值.三、已知a、b、c满足3√a-b +4√c =16(a≥b,c≥0)且x=4√a-b -3√c,求c的范围.四、已知9+√7与9-√7 为什么要将电流计改装成电压表. 请教翻译一句英语,谢谢.Can you implement them at the same time as you do the LSO and also follow uCan you implement them at the same time as you do the LSO and also follow up with Maria regarding feedback etc? 百脉泉公园导游词,500字的急用!111 I also look forward He is tall.He can rench the kite on the wall ,改为同意句改为 He is ———— ————to reach the kite on the wall 长江小学语文教师占教室总人数的七分之二 A cat can also look at the KING怎么翻译 Betty was too short to reach the switch on the wall.Betty ______ ______ ______ ______ reach the switch on the wall. I'm also looking for,rely on and a hug. It's also good to relax by ___ game shows A.lookIt's also good to relax by ___ game shows A.looking B.seeing C.watching D.looking at 等待是一件痛苦的事吗大神们帮帮忙让我等 又给了我时间的限制 就是做不到 英文的等待是最痛苦的一件事翻译 "等待是最痛苦的一件事"翻译成英文是什么? M.K可以写成哪些英文?M.K只是某个英文的缩写,特意来问问.