九月二十三

bottle是什么意思 Drife bottle. bottle 为什么氢氧化铝可以做抗酸药?生成的铝离子在体内不会有毒吗? they suggest the number of cars should be limited to stop air pollution_,the idea is not vert practicala sounds good as it b as it sounds good c as good it sound d good as it sounds 如何利用氢氧化铝的两性,分离铝离子和其他金属离子? 为什么方波的合成不是方波 there ______ any people in the theater.请问这句是选isn't 还是 aren't啊? The cars and rubbish m the streets dirty andThe cars and rubbish m the streets dirty andmessy 学化学,有什么诀窍吗? 圆锥母线长为5厘米,高为3厘米,其侧面积是?侧面展开图的圆心角度数是? what can we do for Porjet Hope?How can we help?为什么前面用what而后面用how What does Project Hope do There are some trees on ———— —————of the street街道的每一边都有一些树 其中一个空应该关系到either这个词 花粉和花粉粒之间的区别? 如何辨别花粉真假?花粉的真假该如何鉴别呢?求高手赐教. 花粉鉴定法 复合花粉和花粉有什么区别呢 流星就是彗星吗?这个问题我已经考虑了很久了, 怎样去生活.生存.才有意义. We shouldn't break the rules of etiquette.的同义句 Do you know any rules of etiquette that are different in foreign countries?不是翻译这句话，是回答这个问题 英语翻译:武装抢劫船舶. 如何辨别花粉的质量? 如何就具体内容和特定情境进行情感态度与价值观的有机渗透? 彗星是否可以等同流星?“彗星可以等同流星,彗星是流星的一种,只是彗星较大”.这种说法对吗? 怎么译love is a feeling you feel when you feel you're going to feel the feeling you've never felt Love is a feeling u feel when u feel u're going to feel the feeling u've never felt before.什么意 everyone plays by the same set of rules怎么翻译? love is a feeling when you feel the feeling you never feet befor 制作人体口腔上皮细胞的注意事项.制作人体口腔上皮细胞时,要在载玻片中间滴一滴生理盐水,目的是保持细胞原形态,视野要调得（ ）,光圈要调得（ ）. 制作口腔上皮细胞临时装片取材部位----------,方法是---------------,注意事项