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“internationally-chargeable credit card with a valid billing address”请高手翻译一下这句话的意思.具体指什么? 英语翻译快 SAT信用卡的Credit Card Billing Adress是填持卡人的名字还是考生的名字?我用的是父母的信用卡. 为什么上collegeboard上面报SAT无论用什么卡到最后都会说：your credit card cannot be proceededyour credit card cannot be proceeded.报名是到了最后,place your order的地步了.不懂得的不要进来.卡换了没用.但是钱 嘉年华是啥意思 i,_________ am you friend,will try my best to help you out.a.which is b.which arec.who is d.who am这是定语从句吗,如果是,who可以引导非限制性定语从句吗?多了个am，不好意思少个字母‘r’ 要2首豪放派的代表诗词 宋词的豪放派的代表是谁? 用不堪设想,虚张声势分开造句 已知数列｛an｝满足na（n+1下角标）=2（n+1）an（n为N*）,a1=1.（1）求证：｛an除以n｝为等比数列（2）求数列｛an｝的通项公式 谁认识+几何数学有谁看过‘极度谢谢, 几何数学有谁看过, 谁能告诉,几何数学有谁看过, Sally promise to try her best to help him的同义表达方式 询问下,几何数学有谁看过, Millie doesn't try her best to help others的同义句 已知数列{an}满足a1=1,an=2an-1+1,求an(其中n-1为a的脚标) 头疼的初三几何,小弟实在不会了.△ABC中,∠A=90º,D为BC的中点,边AB.AC上有点P.Q,∠PDQ=90º,PE⊥BC,QF⊥BC,求证EF=BD（AB不等于AC）PS：当P在射线AB上时,EF是否等于BD 一道一课一练初二A数学几何难题,小弟实在不会.已知,AB平行CD,AC=BC,角ACB=90度,AB=BD,DB与CA的延长线相交于点E.求证,AD=AE.具体图在华东师大版数学一课一练初二A的112页.小弟分不多,全献上了,在华 We should speak to our parents politely .（改为被动语态）Our parents should（ ）（ ）（ ）politely . Do you have a pen pal? 水经注·三峡 第一段突出了三峡总体的特点是:（1） （2） 造句：张灯结彩 虚张声势 开张张灯结彩造一个句虚张声势造一个句开张造一个句 成语虚张声势的意思和解释,用虚张声势造句及其故事典故 I can't see ( ) in playing the game A great funs B a fun C any fun D many funs We are to meet at the school gate tomorrow morning. Let's meet _____the school gate at 8:30 tomorrow morning. We are going to meet outside the school gate tomorrow.改为一般疑问句 根据题意写词语 thanks for ————（写信） we ------（与.交谈）our parents It's impolite _(argue) with our parents.用所给词的适当形式填空.谁会告诉下 俗话说“货比三家”,小敏到批发市场买铅笔,连跑了三家摊位,发现：甲摊位5元买8枝；乙摊位5枝要3元；丙摊位7元买八只送两枝.请你帮小敏算一算,该选哪一家购买比较便宜 水经注既有文学价值又有 价值?