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What's this?It's( ) UFO.A.a B.an C.the D./无 What's this?It's( ) UFO.A.a B.an C.the D./无 x比3分之2=12比7分之6速度行吗,我很急 Sarah doesn't know where is her watch.改错 美国签证DS160表填写问题,公司五人去美参加展会,一老板四员工.没有跟团,自己联系展会,自己准备行程.现在填表在Travel Companions Information遇到问题1 Are you traveling as part of a group or organization?我 英语翻译家庭地址是中国重庆市九龙坡区白马康居花园D栋13-5 对数函数的值域怎么求 求对数函数的值域,f(x)=3*{log2^[4*(x+1)]}+2 ,底数是2,真数是[4（x+1）] ,求值域, DS160怎么填?怎么填写DS160表格?全英文的.谁能告诉我DS160 急DS160怎么填?怎么填写DS160表格?全英文的.谁能告诉我DS160 DS160怎么填?怎么填写DS160表格?全英文的.谁能告诉我DS160 急.马上能填写完吗? 若点(2,1/4)既在函数y=2的ax+b次方的图象上,又在反函数图象上,求a,b的值 She bought a book for me .改为否定句 she bought the book two months ago?改为同义句 she （ ）（ ）the book （ )two months I will call you tomorrow.中的will和call都是动词,为什么能放在一起? 奥数题!求详细的方程解哦!1、数学课外兴趣小组,上学期男生占5/9,这学期增加21名女生,男生就只占2/5了,这个小组现有女生多少人? 2、有两段布,一段布长40米,另一段布长30米,把两段布都用去同 已知椭圆（x^2）/2+(y^2)/4=1两焦点分别为F1、F2,P是椭圆在第一象限的图像上的一点,并满足向量PF1·PF2=1（向量的数量积是1）,过P做倾斜角互补的两条直线PA、PB分别交椭圆于A、B两点.第一问求P点 y平方-2√3y+3=0 Where is the beatuiful picture?/You bought it last week 转化为定语从句 连词成句 where the picture is(?) is连词成句where the picture is(?)is near window the it(.)is green door the(.) i will call you tomorrow 的中文意思是什么 where is the picture which you bought yesterday?这里用which有错吗? I will call you tomorrow(同意句转换） 这名演员叫什么?她主演的这部电影的名字和地址? walk past为什么walk后跟介词past 已知奇函数y=f(x)的定义域为{x│x≠0,x∈R},若f(x)在（-∞,0）上是单调递增函数,且f(-1)=0,求不等式xf(x)＜0的解集. 已知y=f（x）定义域为（0,+无限大）,且是单调函数,并且满足f（2）=1,f（x/y）=f（x）-f（y）.（1）求证f（x²）=2f（x）（2）求f（1）的值（3）若f（x）-f（x+3）≤2,求x的取值范围 求学历高解答 Were you interested in them?(变陈述句） where __you ___the picture___?A have had took B had had taken C did have taken D have took /请问这个题目应该如何做呢 答案是C he had the name of Willian Henry after his father and grangfather He was n___william herry after his father and drandfather. 苏教版初一上册数学拓展强化导学练10到11页的答案,要清楚有一列数0，18，48，100，——根据规律在横线上应该填多少？请你把这个数填在横线上。 求使√x+√y=√99成立的整数对能够给出过程最好 已知12+根号5=x+y,其中x是整数,且0＜y＜1,求x-y+根号5的平方根.