近代中国总统

1.We found it very easy to do.这里面found 后面的it 为什么不加is ,不是it+is+形容词.这里very easy呢？在这里面做什么成分？ what have they made great improvement____填什么? He made it in the end.but he didn't explain to us what great difficulty he had had _______ theproblem.A. working out B.to work out C.work out D worked out.答案是A,我选的是D,为什么,写出理由 已知A—a,B—b分别位于两对同源染色体上,现用基因型为AABB与aabb的个体进行杂交,产生的F1再自交产生F2.有几个组合, 《理想》这首诗告诉了我们什么道理简约,不要太麻烦不是回答课后问题 《理想》这首诗怎么解释?全部的诗啊! 6 the boy's poor health ---------his parents a great deal()A was concerned B concerned at Cconcerned D concerned about 《理想》这首诗告诉人们什么道理 He couldn't answer this question just now.(改为同义句) He( ) ( ) ( ) answer this question just now I can't answer this question.改为同义句如题.. was at there my flat a party怎么拼 the question was not very difficult,but he _____ couldn't answer it.用but 还是yet用still还是yet 写错了 我梦到在苞米地里遇到蜘蛛树叶上全挂着蜘蛛是什么意思 蜘蛛吃什么食物 给蜈蚣和蜘蛛吃什么激素可以长得更大? the first step is being open to the best of what everyone,everywhere,has to offer After dispatching the messenger,what is left for us to do is nothing but to wait.帮我分析一下句子分析句子成分 比喻句 写作文用啊!清晨,小青菜湿漉漉的,像( 分可商量,100以内,答完可写在后面! I felt embarrassingly _____ when I couldn't answer the professor's questionignorant barely memoir He refused ---my question when I asked him A：answering B：answer C：to answer 写作文的时候加上比喻句哪里好 紧急from across across from 的区别from across across from cross from from cross 的区别?紧急the students ____china will take part in english contesta ,from across b.cross from c.across from d.from cross 求:t开头的一个形容词、? 执行力怎么写 麻烦再问一道形容词同级的问题形容词同级比较的句子.She is as good a teacher as her mother.她和她妈妈一样是位好老师,这个句子中第一个as是副词,第二as是连词,she是主语,is是系动词,a teacher是表语. 英语翻译Education suggests both the process and the result of developing the mind's capacity and scope. across from与across有何区别 一个正在旋转的陀螺突然不受力,它将如何运动?它的运动是否符合牛顿第一定律? I don't know ___to do about it.Awhat Bhowwhat 和 how 在此类句 有何区别 i like people in beijing ,they are ( ) good people A so B such —how do you like the books?—oh,they are wondreful .people here think ____of the booksA.littleB.goodC.a great deal D.badly 选择题：People like to read books when they are ___the undergroundA inB onC at