高二化学上学期学什么

电子电器冲压件是什么主要用在哪些方面,种类有哪些? 冲压件防尘罩的技术要求应该怎么写? 有一个冲压件要电泳,技术要求英文怎么写? 9.5级地震在哪里发生的 香港地震过吗? 电流表的构造原理.有示意图吗？ Do you like a package tour or travelling by yourself?Give your reasons.请用一到两分钟的英语回答!谢谢! how close is someone if they are beside you?为什么前面是单数someone后面是双数they? SAT作文各个类型的开头段.格式要背景+观点.是所有类型哦! 为什么河北是个反问号的形状如题 sat作文开头第二段的首句,我想说卡耐基的例子向我们证明了一个出生卑微的人也可以改变工业历史,麻烦用上sat单词,以及exemplify 什么是as400?AS是哪两个英文的缩写? as是中文缩写还是英文单词缩写啊,有知道的吗写了 What he has done is__what I have done.A.superior to.B.more superior to.C.superior than.D.more superior than This new machine is technically far __a______ to the previous type.A.superior B.junior C.senior这题怎么选啊,我想知道具体的分析, 请用superior（inferior）to造个句子 a more expensive one is always superior to a cheaper one.怎么倒装 to move to myself right nowI want to find a place to move to myself right now 电流表的组成是什么? indoor tennis是什么? Thay are all first-class table tennis players in the world. this is one of the explanations ____people hang stockings in front of the fireplace for fatherchristmas to put presents in.A why B for which C for why D that 为何不选A呢,怎么理解,求教 一张桌子锯去一个角还有几个 一张长方形桌子可以坐6人24．一张长方形桌子可坐6人,两张桌子拼在一起可坐8人?（1）三张桌子呢?n张桌子呢?（2）一家餐厅有40张这样的长方形桌子,按照以上方式每5张拼成1张大桌子,则40张 手机特殊符号里有个倒着的问号是什么意思?倒着的问号,怎么用才合适?是什么语气? 1994年的美国地震jiuzheyang 什么手机发短信里可以把一个问号倒过来发出? favor 与 favour有什么区别? Sometimes we laugh when we recognize ourselves in what we hear or see .this翻译Sometimes we laugh when we recognize ourselves in what we hear or see .this statement,therefore,often receives a smile :”advice is always given but never taken” Too much about a person is really very easy to hurt myself中文什么意思 对括号部分提问：(格式在下)原句：They flown to Shanghai (once a month)格式： ______ _______ _________（ 3格空格 ） they fly to Shanghai. It was levelled to the ground什么意思?