口风琴的英语

（1）将一个铁球磁化 南北极在哪?（2）将一个环状磁体（即大圆柱中去除一个小圆柱） 圆柱外侧的南北极? （1）将一个铁球磁化 南北极在哪?（2）将一个环状磁体（即大圆柱中去除一个小圆柱） 圆柱外侧的南北极? 过渡元素有什么特点?为什么叫过渡元素?过渡元素和主族金属元素相比有什么不同? 思想政治工作的基本原则是什么 clear redness是什么意思哪有卖的 铅会生锈吗,吸铁石能吸吗,一般饼干箱是铅吗,想做只防幅手机壳 铵盐能与酸反应吗 物质世界的普遍联系原理 怎么把理论和实际联系在一起啊我理论课学的可强啊,但是一到动手能力就不行了,怎么办啊 ,我什么都联系不上 ,苦恼啊 厌氧泥能否曝气再生che clear有无罪的意思吗?造个句子怎么用 字典里的解释,不是百度词典里的,貌似不对有一次看到一个句子，把clear up译成心情变好，句子记不得了 磁铁,为何能把银圆吸翻过来? 磁铁可以吸哪些金属,银元可以吗 洗衣店这样的生意怎么样,如何经营洗衣店 hangzhou is a good place A.visit B.visiting C.to visit D.visits Hangzhou is an interesting place_____.A visiting B to visit Cvosot Dvisits 开干洗店夏天怎么办? 夏天能开干洗店吗? 急：Harbin is the very place___i am anxious to pay a visit.A.that B.which C.to which D.on which这里有个the very 是不是一定要用that,但pay a visit 后应该有个to 夏天开干洗店咋样呢 this is the very palce __ the visitor are going to visit.Awhere B whatC that D which 易制毒化学品的特征有哪些 狗和狐属于哺乳动物吗 藏獒是属于犬还是哺乳动物 There are many beautiful s______in Hangzhou.Many foreigners come to visit them every year. 首字母填空：1.This beautiful place a_____many tourists every year.2.I think f______is the most important thing in life.3.The enemy a____us on a cold winter night.4.It is not poilte to w______in class.5.At around 10.50p.m.on 8 December in 1980,a Getting to places can sometimes be difficult,especially (尤其是) when you going a place for the 46 time .In big citis,many people take buses,trains or subway(地铁) to get form 47 to another .Buses are a popular 48 of transportation(交通) .But 完形填空 Getting to places can sometimes be difficult ,especially(特别) when you are going to a pl完形填空Getting to places can sometimes be difficult ,especially(特别) when you are going to a place for the ___1____ time.In big cities,man --the place isn't crowded --____ it's difficult to make our way out a,yes it is b,no it isn't _________ to you _________ getting the first place 祝贺你获得第一名 磁铁为什么有吸引能力?尽管应用广泛,但磁铁为什么有磁性仍然是个迷.磁,离心力,惯性,UFO的碟形外形,这些东西之间是否有何联系?我想问的是磁的本质原理是什么？磁场是什么？