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请帮我解释下这个句子里 if 和because的用法和意思A sense of fulfillment is also encouraged if a worker feels the job is worth doing because it contributes to the society or theeconmy as awhole.能帮翻一下,并且主要说明下if but 作为“除了”的用法老师讲解是说"前有do后无to,前无to后有do"我不太明白这个do 指的具体是什么 是代指动词吗?还有如果直接在but 后面接动词 是只有do和 to do两种形式吗?不需要区分时态吗 but的用法.I have no alternative but to give it up.but 后面为什么是不定式?这句话的语法成分是怎样的? you的反身代词是什么 you(反身代词) you的反身代词 英语翻译“降低患者的痛苦” 我是这样翻译的；the pains a patient suffered is reduced.主要是那个suffered用的对不对呢 你们都怎么翻译的呢.这个是笔译工作,要求正式,尽量避免口语化. yourself 的形容词性物主代词? what did they say at the end of the interview?Thejournlist asked mrs.zhou_________ I 什么 to go shopping wish Mother.It's crowded in the store我发现 是无法忍受 也就是 can‘t stand 是不是对的啊 I don"t stand going shopping with mother.It"s crowded in the store 改错 关于but的用法but用于句首时是什么词性?（例：1.But in secret she was delighted.但她暗中感到高兴.2.But what else can we do?我们还能做什么?3.But in the end he gave in.但最后他还是让步了.4.But there's one thing we statement of the problem是什么意思 confrontation of the problem是什么意思 It's in Reptile World.It has a big,long mouth.It's( )括号里应填入什么动物名称? it( )a big mouth and a longit( )a big mouth and a long tail.请选择a:have b:has c:having 求用下列词组编的小短文：at present,such as,come up,because of,enen of,play a part in,make use of.最少用四个词组 China´s Premier Wen Jiabao meets press 中的meets press应该翻译成什么 are there any american buses in the street?改为单数is there american in the street 是积分问题：在1到2的范围内,x²-2x-3/x dx的定积分 ∫dx/1+x² 求定积分 区间是负无穷到正无穷. Bananas is my favorite fruit对吗?习题中出现这样一个句子对吗?谁能帮我解答 用英文写篇简单作文·题目是China and the US.内容为相同点一段·不同点一段,只要两段,大概一段100个词 I enjoyed m____ very much in your home smile happily 这个词组这样搭配的原因 感官动词后为何加副词? 这句话Oil Price Rise Fueled by Investment simon often travels to school on foot 同义句是什么 bank investment是否包含存款申请奖学金表格这样写的,不知道外国人说的银行投资是不是含有个人的定期存款 Staying in a hotel in Shanghai one day costs____renting a house in my hometown for a week.A.the three times price of B.three times the price of C.as much as three timesD.as much three times as 选什么?为什么? “的”的国际音标怎么写 "英语国际音标"用英语怎么写? “外”的国际音标怎么写?写音标就行,“我”的音标是/uo/，“外”为什么不能写/uai/？