与向量平行的单位向量

a map is__5__the door.it's a map _6_beijing. 5.A.at B.in C.under D.behind 6.A.of B.on C.in D.for --Must I hand in my homework now?--No,you___.You--Must I hand in my homework now?--No,you___.You can hand it in this afternoon.A.mustn't B.shouldn'tC.don't have toD.can't说明理由 Alice Springs翻译成汉语是澳大利亚的哪个地名? Must I hand in my homework now?否定回答 No,you (三个空) -Must I hand in my homework now?该句子的must可以换成need吗?回答是不是一定要用need 来回答? --- Must I hand in my homework today?---- No,________.A.you need B.you must C.you mustn’t D.you needn’t选d吗 求介绍类似于take that 组合patience那样好听的歌 世界上最有钱的家族是哪一个阿?是罗什么? 哪个家族是世界上最富有的? 世界上最有钱的家族是那个家族!是英国的一个金融家族!保守估计有50万亿英镑! It___me5hours___homework yesterday evening Aspent doing Bcose todon Ctook doing Dtakes todo C型纯铁是哪类纯铁,和一般的纯铁有区别么 如何给猪场中的铁构件做防腐? —what does he need before he goes hiking?-—what does he need before he goes hiking?- .A.a pair of comfortable shoesB.popular magazinesC.a slipper 世界三大饮料哪一种历史更悠久 世界三大教的历史英文请中英翻译 柠檬酸钠与钙离子形成怎样的络合物?钙离子如何与血的凝固有关 Ann is going to do homework this evening的回答 I am going to do homework on the evening这句话对吗?I will play sports on the afternoon还有这句 当你听到别人问你：Where are you going this Saturday?a.I am going to do my homework.b ,I am going to the zoo with my frind. 选择（）Isn't he going to join us this evening?____________________.He has much homework to do.（）Isn't he going to join us this evening?________________.He has much homework to do.A、Yes,he isn't.B、Yes,he is.C、No,he is.D、No,he isn't. 世界上最古老的家族是哪个? 这个世界有没有可能是同一个家族控制的? 世界上最大的家族,就是世家什么的 全球最庞大的家族是哪一个? the expression Excuse me 谁知道全文 能不能把the expression excuse The expression “Excuse me” is _1_ used in the United States than in China.A.very often B.many often C.more often D.much often说说原因 patience take that 安装室内门门套和门洞间隙留多大尺寸 门套米数怎么算,比如800*2000的室内门,公式,需要几米,双面门套 什么是包门套?一般门套的厚度是多少?请详细回答,谢谢!