歼二十飞机

there are TWO BOOKS on the desk就大写部分提问— — — — — on the desk. 定语从句where前可以有逗号吗我知道which可以有的,但是这句话主谓宾都有了按理来说应该是where,但前面有逗号()no doubt that high school is a battleground,()everyone seems to be going through awkward physical changes during any 2-week period 怎么翻译? Fixed costs are those that do not vary over a given period 怎么翻译 How many times ____ you ____(see) films when you were in Beijing?为什么 2009年度“希望之星”英语风采大赛 难不难?我还有2天就比赛了, ‘是时候系上鞋带了’怎么翻译? colour the eyes blue是什么意思 昨晚写了一篇文章,有没有英语高手帮忙看一下哪里有语法、时态之类的错误.有五年多没学过英语了,靠着以前的老本,因为心情问题写了一篇文章,帮忙看一下,有错的地方帮忙指正,谢谢. 主语从句中什么情况下才不能用形式主语it呢?主语从句中,what, who, whatever ... 这些引导词, 什么情况下才不能用形式主语it呢?我想问的情况只是在于主语从句中 其它句子暂不需要讨论 我们的妈妈就教我们穿衣服系鞋带 翻译英语 over跟END的意思相同吗?不同的地方在哪?我一点英语都不懂的. We went up to the roof of the building,...We went up to the roof of the building,from____ we had a good view of the sea.A.what B.which C.where D.that 是C还是B We went up to the roof of the building,from____ we had a good view of the sea.A.what B.which C.where D.that Explain:The abillity of silver paint on a roof to reduce heat loss from a building.This is a question of the Environmental Science in Building 好心人帮我看看这个作文能得多少分吧~In many countries,workers over 60 can still be found in the workplace.However,some people think it may cause some social problems and they should get retired.To what extent do you agree or disagree? 有哪位好心人 帮我看看这篇作文 能的多少分啊 有哪里写的不好啊 谢谢乐Some people think the main benefit of the international cooperation is the protection of the environment, however, others believe it is the world busines 求几篇作文``` 以以下几个主题各写一篇作文`` 我知道有点多` 但是这也是没有办法的``刻苦拼搏,爱心,保护环境,面对挫折,团结合作,热爱祖国,把握机遇 Will you help me是一个句子吗? 如果是的话,翻译一下. 如果f(x)在【-1,1】上连续,且平均值为2,则（-1,1）∫f(x)dx 急 如果f(x)在[-1,1]上连续,切平均值为2,则∫(-1,1)f(x)dx=? Israel is in "all-out war" with Hamas 咋翻译? ∫f(x)dx=1/(1+x^2) +c 求f（x） 氢氧化钙,硫酸和葡萄糖的式量明天要交做业了急求 设f(x)=x^2+√x,求∫f'(x^2)dx 浙江用氢氧化钙量大的单位有哪些 I was told the Learning Center provides help for students and I’m anxious to get help from you. br over=end/be endschool is over=school ends school is end? 1.Pat ______ to the Children's Palace with Linda last weekend.B A.go B.goes C.going D.went 2.1.Pat ______ to the Children's Palace with Linda last weekend.BA.go B.goes C.going D.went2.My sister ______ TV or surf the Internet yesterday.BA.often,watche 莫莉每周到少年宫学钢琴 Molly goes to the Children`s Palace ____ ____ the piano every week. Take the fifth crossing on the cross改为同义句 Her sister goes to the airport （by taxi）对提问 我叫黄希 是女生 去什么英文名比较好啊?