f(x)在[0,1]上有连续的二阶导数，f(0)=f(1)=0,任意x属于[0,...715af2ac3f81f8.png"]
f(x)在[0,1]上有连续的二阶导数，f(0)=f(1)=0,任意x属于[0,...715af2ac3f81f8.png"]
background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg
background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg
—Showmeyourpresentsforyourparents,willyou?—Look!Thebagisfor______.Andthesunglassesare______. A: Mum;Dad’s B: Mum;Dad C: Mum’s;Dad’s D: Mum’s;Dad
—Showmeyourpresentsforyourparents,willyou?—Look!Thebagisfor______.Andthesunglassesare______. A: Mum;Dad’s B: Mum;Dad C: Mum’s;Dad’s D: Mum’s;Dad
In 1803 the United States purchased Louisiana from _____.
In 1803 the United States purchased Louisiana from _____.
Why does the man regard his dad as the best dad?
Why does the man regard his dad as the best dad?
Your dad must be better than him.A.Your dad has to be better than him.B.I believe your dad is better than him. A: a B: b
Your dad must be better than him.A.Your dad has to be better than him.B.I believe your dad is better than him. A: a B: b
Rich Dad Poor Dad places an emphasis on something that can hardly be learnt at school
Rich Dad Poor Dad places an emphasis on something that can hardly be learnt at school
background: url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层（）。
background: url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层（）。
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
DAD称为（）。
DAD称为（）。