电子商务的含义是什么

cut down sth和cut down on sth有什么区别 I am very interested in that.的翻译. I am very interested in Mark Twain's novels,____?A:aren't I B:am not I c:aren't you D:are you初学英语,请问要选哪个?为什么?麻烦告诉我为什么,谢谢 i am ___ ___ in collectin conins i am very interested in collectin conins 非金属元素的原子特征 既表现金属元素性质,又表现非金属元素性质的元素? 碘酒遇到水有什么变化我朋友想让我加入完美,到了那里就搞了个表演,用一个有水的杯子,在里面滴了几滴碘酒,就变黑了,放入大米也变成黑的了,然后放进点完美的产品,叫什么芦荟矿物晶的东 将碘酒加热,直至碘酒变干有紫色蒸汽放出,将印有指纹的白纸放在蒸汽上,为什么会有指纹出现, i like all the other subject ? english为什么用besides?不用except But I'm really good at football.包含什么词组?意思是什么? I am really good cry I am really good cry 翻译成汉语. 在句子中似乎有什么作用 Yette Nini 这个英文名字好吗?怎么读?Yette Nini 这个英文名字好吗?前面的那个单词怎么读?? 英文名Lily 和Nini哪个好?我已经选好名字了，就叫Nina，各位帮我看看好不好 解释此命令：iptables -t nat -A PREROUTING -i eth0 -s 192.16.0.0/24 -j DROP i don't have a brother ___ a sister A.and B.or C.with D.but 请问是选哪个选项?个人认为是选D,翻译为“我没有兄弟但是我有一个姐妹”.家人认为是选择A,翻译为“我没有一个兄弟和一个姐妹".个人认为重 1、逐条解释下列nat规则表的每一条规则.简单点就行了,能说多少就说多少.1、逐条解释下列nat规则表的每一条规则.*nat:PREROUTING ACCEPT [735:68109]:POSTROUTING ACCEPT [157:11021]:OUTPUT ACCEPT [146:10385]-A PREROU 节能灯哪个品牌好 what are the difference between a map and a plan --________you see the sign over there?--Sorry,I can't A.Can't B.Can 选什么?为什么?我认为选择 B CAN 可很多人说A , see cannot the sign there you over ) 日本樱花是代表什么含义? 第二周期非金属元素有哪些 男人最大优点? she called me the following morning为什么不是 in the following morning? Mary was out whem I called her. She wamtsher daughter to be a nures.Jim practise playimg the guitar yesterday. 加标题两个句子该否定句 一般疑问句 做肯否回答 My sister and brother have two toys.改一般疑问句我觉得改为：Do your sister and brother have two toys?更妥,有没有Have your sister and brother two toys?的改法? My sister and brother have two toys.改成一般疑问句怎么改并给出肯定回答 鲁科版高中物理用什么练习册好志鸿优化设计更好还是志鸿导学大课堂好.二级达标校用 最好把您的理由说出来! 高中物理练习册哪本好?