七律诗多少字

帮我想个文秘的公文笔试题目吧因为明天会有几个文秘会来应聘 经理叫我想个文秘的公文笔试题目 不要太难和莫名其妙的 有关磁场的题在地磁场作用下处于水平静止的小磁针上方,平行于小磁针放置一直导线,当通过该导线的电流为I时,小磁针偏转了30度.问当他发现小磁针偏转了60度,通过该直导线的电流为?3I） 两道与磁场有关的题高手讲解一下具体过程 一道和磁场有关的题根据磁场对电流会产生力的原理,人们研制出了一种新型的发射炮弹的装置---电磁炮,其原理为:把待发射的炮弹(导体)放置在匀强磁场中的两平行导轨中间,给导轨通以大电 有关磁场的竞赛题有水平向里的磁场,已知磁场的磁感应强度B沿竖直向下的Z方向的变化规律是：B=B0（下标）+KZ,水平方向的磁场的磁感应强度相同.在该磁场中有一个质量为m,电阻为R,边长为a be free have time in one is free timebe free have time in one is free time 英语作文以"why are the plants important ”为题70词左右,急用,急! If I have ___ free time ,I will travel around the moon.many more fewer less 写一篇英语文章以：WUHAN an important city,why?为题WUHAN an important city,why?可以列出观点,并且根据此作举例说明,发表一下个人的观点与想法一篇小论述文章,拜托大家写好一点五百词以上.用英语文 今晚我们在晚会上玩得很开心.翻译：We () great () () at the party tonight. 英语翻译Ducks are slowly roasted over flames by fruit –tree wood.The best roasted duck is date-red,shining with oil.主要是 by fruit –tree wooddate-red 人要想摆脱命运,就只能与命运抗争,我们,生来就是王者.英文翻译 People drive on the right side of the road in America 英语作文 .Trees are important living things 译成中文:Plants are very important living things. 英语首字母填空P-------are very important living things. 英语句子翻译：你越经常讲英语,你就越能自由表达.(the more ...the more) 英语我越学越感兴趣（The more放句首） 我要回到家里就非常高兴了.这句话翻译成英语,要用too的句型. ---didi you attend the lecture?--yes but ___it.a)i'd rather not have attended b)i'd rather not atte It is believed that all Chinese are proud of Chinsa Open （ ） in 2011A to be hosted B hosted C hosting D to host 为我撑起一片蓝天 中国石油化工协会科技进步奖怎么翻译 2001年获我国"最高科学进步奖"的数学家是谁? why are trees important (参考词语,take in carbon dioxide,oxygen,desert) 我国的自然科学进步奖已连续几年缺位,你的感想? 中国科学技术是世界第一怎么没公布呀 产生磁场我想做个法拉第效应实验,怎么弄出磁场, what do you do at weekends .(改为同义句) what do you uaually do for your weekends?同义句转换what do you uaually do for your weekends?同义句转换() do you uaually ()your weekends There he takes a bus to get to the River Stop 是什么意思? 水汇入河流,融入瀑布,流入大海 the water ---- the river and ---the fall ---- to the sea.请问横线处填什么啊