如图所示的绝缘细线上均匀分布着线密度为的正电荷,两直导线的长度和半圆环的半径都等于．试求环中心点处的

after another与one after another相同吗? 两道英文题：一I have been to Mount huang three times, 为什么three times 前不加for? 二The life were used to has changed greatly since 2012. 为什么has不加ing, great要加ly? 英语翻译 How was your last weekend 回答 (“感觉好”的回答) 我来自美国 I come from U.S.A为什么书上是I come from我来自美国 I come from U.S.A为什么书上是I come from the U.S.A 为什么加个The（这个,那个） interesting与interested的区别以及其他像这两个词相关的词问题如上,十分紧急,答完整! 英语翻译Ultrasonic measurements offer an interesting nondestructivealternative for the determination of the modulusof elasticity of concrete :in an existing structure.--超声波测量为在现有结构混凝土的弹性模量的测定提供了 interesting interested relaxing relaxed successful success 这几组词怎样区分 1.At the meeting,they kept ______all the time.A.silent B.silently C.silencely D.quietiy 2.There1.At the meeting,they kept ______all the time.A.silent B.silently C.silencely D.quietiy2.There was a_____talk between the two teams last week.A.friend B.fr 1.It kept raining heavily.They waited at the shop ________the closing time.2.王老师将给我们做一个有关动物的报告.Mr Wang__________________________________________________. Find a good man to marry a bar啥意思啊 my trip was great 对great提问 （ ） （ ） your trip a good gone girl什么意思 苏轼比苏辙大几岁﹖ 人类最高贵的品质是? lick my ass Hope you can find a good boy to you than I!什么意思 I hope you find a good girlfritnd refuel 还有 I hope you happy ecery day SHORT HISTORY OF ETHICS怎么样 中文翻译People describe a day in which everything goes wrong as a ''blackday'' 中文翻译People describe a day in which everything goes wrong as People describe a day in which everything goes wrong as a black day.谁能解释下为什么该句中不用on which 而用in which （PS：我认为该句还原是in a day,关键是为什么不是on a day.有可能定从还原错了,见谅啊.）第 There are six people in my family.这里为什么不是用peoples? 苏轼和苏辙有什么区别?性格方面、为人处事等 请选择：1、There are five ____ in my family. A: people. B: peoples 急啊. There are four people in my family.people不是不可数名词吗,怎么能加four?此处换成person行吗 固执和坚持有什么区别?有时候我们会评价一个人的做事风格,是固执还是坚持,应该怎么判定? 怎么区分坚持和固执 宾语从句和表语从句怎么区别? different anything 区别与anything differentOn Sundays,i want to do___.A.differet something B.differet nothing C.nothing different1.春节时的天气如何?2.我将穿上我的新的红色的衣服 Her sister plays volleyball well.怎么对volleyball提问 为什么人要那么执着一件事?