#F的等音为？: #G bA|bG bB|bG xE|xE bbF

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

In 1803 the United States purchased Louisiana from _____.

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.

Photoshop常用的文件格式有() A: psd B: jpg C: png D: gⅰf

求平行于x轴，且过点M(3, 1, 2)及N(0, 1, 0)的平面方程 A: [img=106x22]1803bbf23013bbb.png[/img] B: [img=104x22]1803bbf237844f1.png[/img] C: [img=73x22]1803bbf23f6ec40.png[/img] D: [img=73x22]1803bbf2477b00f.png[/img]

______________属于图像格式文件。 A: BMP B: WMA C: PNG D: JPG E: AVI F: GIF

【单选题】a设 f ( x ) 在 [ 0 , 1 ] 满足 f ′′ ( x ) > 0 ,则下列不等式中正确的是() A. f ′ ( 1 ) > f ′ ( 0 ) > f ( 1 ) − f ( 0 ) " role="presentation"> f ′ ( 1 ) > f ′ ( 0 ) > f ( 1 ) − f ( 0 ) B. f ′ ( 1 ) > f ( 1 ) − f ( 0 ) > f ′ ( 0 ) " role="presentation"> f ′ ( 1 ) > f ( 1 ) − f ( 0 ) > f ′ ( 0 ) C. f ( 1 ) − f ( 0 ) > f ′ ( 1 ) > f ′ ( 0 ) " role="presentation"> f ( 1 ) − f ( 0 ) > f ′ ( 1 ) > f ′ ( 0 ) D. f ′ ( 1 ) > f ( 0 ) − f ( 1 ) > f ′ ( 0 ) " role="presentation"> f ′ ( 1 ) > f ( 0 ) − f ( 1 ) > f ′ ( 0 )