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当t无穷大时,求tan(tx)/x的极限 求极限：x趋近于无穷,定积分【0,x】t^2 e^t^2/xe^x^2（积分的部分是t^2乘e^t^2）急需求解 how to kill myself with my brain? who can teach me how to kill myself 不准劝我! 加拿大的TD CANADA TRUST那家银行在中国有分行么? 急救!我在加拿大,我的银行卡是TD Canada Trust Access Card,中国如何汇款到卡上我在加拿大,我的银行卡是TD Canada Trust Access Card,我的家人如何在中国将钱汇到我的卡里,急 中国银行向加拿大TD CANADA TRUST 银行电汇所需要的＂CC 加上一串什么数字”. 英语翻译上学没好好学 现在只有麻烦大家了 心理学的情景记忆（episodic memory）中,destination memory和source memory应该怎么翻译呀? Bill can see four foxes(变为一般疑问句) quite good I play tennis quite _____.我填的是good.而且单词的选项里也有good.可是答案把good 改成了well,为什么吖?（做的是完形填空中的一题） He prefers the white dog because white is his favourite colour (保持原句意思）He____the white dog_____because white is his favourite colour they go to school by bus.(变成一般疑问) 对了,还有.It's far.(变成否定句）we all must the traffic rules.(空格里面填什么)?we all must the traffic rules.(must后面填什么)?A.know B.knows C.look Lucy's hat is red.Lily's hat is white.合并为一句 The colour of Lucy's hat is __ __ that of Lucy's. The two countries to reach an agreement on the price of oil.两个国家没能就石油价格取得一致意见.处填啥? 请问,therefore 属于连词还是属于副词?我看到两种说法! 为什么therefore(因此)和otherwise(否则)是副词而不是连词呀 （ ）I gave the tickets to all the students----------the ones who had already taken 英语翻译需要我把85102的样品寄到你们公司吗?001合同预付款的银行汇款单可以传给我吗?请确认附件里的标签 酶和抗体只能在核糖体上合成吗 抗体的产生与游离的核糖体有关, I'm not hungry.--Perhaps you aren't,but you must eat_____ 我饿了,你能再给我两个苹果吗?i'm hungry.can you _ Is that apple big?请选择：A.Yes.it's.B.No,it's small apple.C.No,it isn't.D.No,that's a small if everyone cared and nobody u are a Japanese,aren't you? everyone可数吗 nobody作为小人物时可不可数? 请问”你太粗心了“用英语说是”you are too careless"吗? 洗衣服的英文 wash能放后面吗 maybe后面可以接动词原形吗? you are a pig,aren't you?