sin2x导数
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It's impolite to laugh at ,stare at or play ___ on disabled people.A.fun B.jokes C.tricks D.parts顺便可翻译一下
It is (wrong) to shout at the old people.这句话对吗?我填 wrong行吗?
it's____(polity) to laugh at the old people填什么
EXCEL列中某值满足条件 返回另外列中某值如题目 比如 A B C D 1 2009-1-1 阴天 2 2009-1-2 晴天 . 这个表里面有超过500行的数据,每个值都是唯一,我想查找A列每行满足=2009-1-2的值并返回 B列对应的值
excel vlookup函数可以返回多个符合条件的值么比如vlookup("买菜",B:C,2,FALSE),只能返回查到的第一个符合“买菜”条件的对应值,能不能通过vlookup函数返回工作表里所有符合“买菜”条件的对应
there is a boy standing on the tree 可以改成there is a boy to stand on the tree 那么如果改成there is a boy to be standing on the tree可以吗
my father parks his car there.中文
there are some newspapers in my father's car.改一般疑问句
hot-rolled
英语翻译跟 hot-dipped galvanized steel有什么区别?还是指同一件东西?有什么关系吗?
什么是hot rolled pickled and oiled steel 中文
hot rolled laminated steel round bar 是什么?
i know a lot of people think it is wrong to keep animals in zoos.同义句
Don’t regret anything that ever made you smile是什么意思
There's something that u can never get back once u make it gone.翻译成中文
There is a boy under the tree,怎样改为疑问句
The boy under the tree is hungry改成一般的疑问句和否定句
The boy under the tree is hungry 陈述句变一般疑问句
—why didn't gve me a phone call?—I___,but nobody answered the phone.A.do B.did C.will D.have
When you arrive ,please call my c_______ phone .
所给单词的适当形式填空; (1) The girl is a singer ( )(call) Selina.(2) When were you ( )(bear
I know a lot of people think it is bad to keep animals in
dad is going to ciean his car的意思
Dad is going to clean his car翻译
Dad is going to wash his car.(否定句)Dad (_____) (going) (to)(wash)his car笫一个
He is going there with his dad.对它提问
函数f(x)=x^2-2ax-3在区间【1,2】上存在反函数的充分必要条件是( )A.∈(-无穷,1】 B.a∈【2,正无穷) C.【1,2】 D.a∈(-无穷,1】∪【2,正无穷)
一辆压路机前轮直径是1.6米,前轮宽是3米.(1)压路机前轮转动一圈,压路机面积是多少平方米?(2)如果每分钟转动20圈,1小时压路面积是多少平方米?
(1)y=(1/2)x^2+lnx的增区间?(2)y=(-x^2+2x)e^x的增区间?(3)y=4x^2+(1/X)的减区间为?(4)y=xlnx的增区间为?(5)y=x^4-8x^3+18x^2-1的增区间?(6)y=x+(1/x)的增区间为?(7)y=2x^3+12x-5的增区间?
I called you yesterday morning,but you were not at home where ()you been
若f(x)=x^2+2ax+1(x>b-1)有反函数,求a^2+b^2的最小值
已知甲校学生人数是乙校人数的百分之四十,甲校女生数是甲校学生数的百分之三十,乙校男生数是乙校学生数的百分之四十二,那么两笑女生总数占两校学生总数的百分之几?