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用妙语回答 如果你是老师,对一位很勤奋却在考试中过于紧张而没考出好成绩的学生：用妙语这样不知行不行 物理简谐运动,今天考试题,我特紧张,一排就我一个是两个答案,高手看看是几个答案 老师能怎么给分?质点以O为平衡位置做简谐运动,他离开平衡位置向最大位移处运动的过程中,经0.15s第一次 love 盐雾测试机的压力桶温度设定为47度,显示温度为26度,请问是哪个地方出了问题?谢谢你的帮助，刚刚我试了一下，没有发黑的现像。后来再开机连电源都打不开了。 盐雾试验箱压力桶里面的水很脏,想清洗,怎么清洗! 如何测量800度温度,10KPA的压力? he does not have a sister or brother.同义句.there is__ ____ ____ in his family i wish i ______(have) a brother or sister.用have的适当形式填空 Does he have brother and sister?这句话的and能用在这吗?为什么?换成or可以吗?明确回答既给分 英语连词成句you ever have cooked for your parents before ,your ,parents,taken,to,him,see,ever,have,you连词成句 i have one brother and one sister否定i have one brother and one sister改为否定句 I have one sister and two brothers是什么时态? 把句子变为一般疑问句,并作肯定、否定回答：I have a sister and brother.and需要改为or吗?不改可以吗?怎回答呢?John and Mike are doing homework.这个变为一般疑问句或否定句要把and改为or吗 I have one sister ang brother改为一般疑问句 写一篇the influence of science and technology on people's life(科学技术对人类的作用)的英语文章.400字左右 大学英语作文《the faction of the music in daily life> 十万火急 How does music affect people’s life I like pork very much,but I don't like beef at a _____ 哲学与科学、宗教的区别与联系是什麽? do you have a brother加上a sister 后组成一个选择疑问句 It is not good for your eyes to read in the sun.It is not good for your eyes to read in the sun.为什么选in?还有例句 Don't read in the sun .It does ____to your eyes. what's the matter with you 与what's wrong with you 如何区分 what's the matter with和what's wrong with有什么区别从应用方面看,当单选题中两个同时出现时,怎么区分? 英语翻译 某机床厂生产一台机床,原来每台要用1.8t,技术革新后,每台节约钢材0.6t,现在钢材64.8t,可比原来多制造机床多少台? i don't know h后填什么词 写一篇上课铃声同学跑到教室300字作文 请以“铃声响过,监考老师拿着试卷走进教室”为开头,发挥想象,续写成一篇500字左右的文章.如上题 一定要有细节描写还要有修辞手法 what's the matter with him?为什么这里的him是用宾语呢,没看出来这里是宾格啊,不是主格吗? what's the matter with him?这句话翻译成：他怎么了? 句中with是什么意思,起什么作用!with的意思不是和什么在一起吗