老帕萨特大修作业

设f是集合M=[a.b.c.d.]集合【1.2.3.4.】的映射.且f[a]加f[b]加f[c]加[d]等于9那么映射的个数是多少对集合有研究的高手来看一下..多谢了感激不尽 带有宾语从句的句子做反意疑问句,以哪个谓语为准?例题：He said she was used to going to be late ,______?A.didn’t he B.did he C.wasn’t she D.was she请问有不同意见么？ 【初二英语】---Could you tell me ___ ---He is an engineer.A.what he is B.what does he doC.what he did我觉得选C诶，为什么呢？ 我要参加一个英语比赛,在一分钟才艺表演过后,有个 演讲,要自我介绍吗?如果要,怎么说?演讲完了呢?要注意什么?满意加50分 希望之星英语竞赛,初赛一分钟才艺表演,笑话加表演怎么样?希望之星英语竞赛.我是高一女生.初赛才艺表演,笑话加表演怎么样?我找的笑话：英语幽默：Second language A mother mouse was out for a stroll 作文,父与子和二头大象有写好的吗 父与子的作文好 Today he is wearing a new coat.He____.A.looks very cool B.is look very cold C.look cool D.looks like cool选哪个,为什么? 英语翻译Jason is ( ) a lecturer; he is a writer,too.A、rather than B、other than C、less than D、more than _______is he like?--He is serious英语选择题 A How B What C Where D Who He isn't a programmer.He is an engineer.翻译成英文 法语“这只钢笔是谁的”关于名词做主语的疑问句应该是"a qui appartient ce stylo "还是"a pui ce stylo appartient-il?"是不是只要主语是名词,变疑问句的时候都要“名次主语＋动词＋主语代词＋其它”? 关于法语的特殊疑问句我有好几个问题= =下面这句话：M.Dupont va au garage en voiture.1.en voiture划线部分提问,书上答案是Comment M.Dupont va-t-il au garage?我很纠结,这里的t-il是什么情况?2.是不是以元音 关于法语 一般疑问句和特殊疑问句 我这样的理解正确吗?一般疑问句和特殊疑问句都有三种形式.一般疑问句:1.陈述句语序不变,句末语调上升.Vous etes Chiniois?Paul travaille toujuor dans cette usine?2.陈 Our english teacher asked us not to make mistskes in g___again when we make new sentences 英语填空：The teacher tells us to be careful when we are doing the___(实验). 英语完成句子：______（非常重要的）is to concentrate on your teacher when learning in the classroom Do you know the man ______ a book in his hand?用has或者用with的理由我知道用with 但是不用has的理由是什么?讲清楚点 Our teacher entered the classroom,book in hand.另一句是Our teacher entered the classroom,with a book in his hand.为什么两句伴随状语要不同呢? 2010希望英语大赛时间安徽合肥赛区 I_____(understand) the question when the class was over. 希望英语大赛歌曲宣传片 一个女的叫梁晓 背景音乐是什么 ② My question is when to go there.(when to② My question is when to go there.(when to go there 作表语)这里的there是做什么成分,是副词吗 一个梯形的上低是14cm,下低是20cm高是10cm,剪去一个最大的平行四边形,剩下的面积是多少? 把一个长20cm,宽10cm的长方体拉成一个平行四边形后,面积减少了40平方厘米,求平行四边形的高. 关于英语的问题,Paul was a thief (小偷).He wrote(写) a letter to another thief James.But the police got the letter.It read:BNLD ZS LYHCMHFGS ZMC GZUD SGD SGHQSX ONTMCR VHSG XNT.What's it about How can you read it?The policemen were quick.The 希望英语高手们来练练手!用英语简单的介绍一下山东省 1.The baby lay still with blood_____sown from his face.A.coming B.come C.being come D.to be coming2.For miles around me there was nothing but a desert,with a single plant_____.A.in sight B.on earth C.at a distance D.to see3.Jack is a student and stud What does jim think _____the football match?A over b of c for d about think about the question否定句 希望英语2010年7月到8月的积累,要10期就够了,单词8-10个,句子至少2个,要写上日期!求各位大哥,我会感谢你们的! 杠杆原理的一些疑问 如图,点O为支点,一开始用力F沿水平方向拉,将杠杆拉到水平,此时的力为F1,此时的动力臂为0,但奇怪的是杠杆还能保持水平,为什么呢?