英语单复问题Mathematics seems to be difficult to learn.My mathematics are week.这里的单复为何不一?

英语单复问题Mathematics seems to be difficult to learn.My mathematics are week.这里的单复为何不一? mathematics英语缩写 英语：mathematics音标 SAT2中Mathematics选择问题Mathematics Level 1 (formerly Mathematics IC) Mathematics Level 2 (formerly Mathematics IIC) 可以两项都选择还是只能选择一项呢? 关于英语倒装句的问题1.Only then did I realize the importance of mathematics.这个倒装语序要是把它改成自然语序怎么改? 英语填空：pr()()t()se 英语单选:What do you think of physics?Physics is ____ mathematics-- What do you think of physics?-- Physics is ______ mathematics,I guess.A.as hard a subject as B.a subject as hard as 我觉得A也对, 英语单选:What do you think of physics?Physics is mathematics-- What do you think of physics?-- Physics is ______ mathematics,I guess.A.as hard a subject as B.a subject as hard as我觉得A也对, 英语音标单词= /u:/ z()() l()()se d()()dles /ju:/ n()()s /'kukbuk/ /fu:d/ /put/ 单/u:/ z()() l()()se d()()dles /ju:/ n()()s /'kukbuk/ /fu:d/ /put/ 单词 se beber 是什么结构?西班牙语问题. 外贸跟单员面试会有哪些英语问题 请教高一英语问题,求达人解答（单选） 高二英语单选题比较级问题.第五题. 我有些英语的单复数问题,beefbreadcabbgebutterporkbeansalttomatohour的单复数形式, 问大家一个小小的英语问题who is based at the Kavli Institute for the Physics and Mathematics of the Universe at the University of Tokyo.这上面的be based at 是什么意思呢?介词for 是什么意思呢? 请问这两句英语,有没有什么问题?It is necessary that a scientist know how to use mathematics to get an accurate answer to his question.The two brothers are very much alike.Don't mistake one for the other. 英语中ce与se区别 自反代词单复数问题?我看到个句子ils ne se sont pas rendu compte que tout le monde les regardait.我不明白rendu为甚不用复数rendus 感谢大侠们赐教