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
/ananas/latex/p/1802
/ananas/latex/p/1802
Lie down on your bed when you have a nosebleed. A: T B: F
Lie down on your bed when you have a nosebleed. A: T B: F
It is ten o’clock in the morning but he is still____() A: in the bed B: in bed C: on bed
It is ten o’clock in the morning but he is still____() A: in the bed B: in bed C: on bed
Mother often ______ for me. A: makes a bed B: makes the bed C: makes bed
Mother often ______ for me. A: makes a bed B: makes the bed C: makes bed
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（）。
劳动力需求缺乏弹性表示为（）。 A: AEd＞2 B: BEd＜2 C: CEd＞1 D: DEd＜1
劳动力需求缺乏弹性表示为（）。 A: AEd＞2 B: BEd＜2 C: CEd＞1 D: DEd＜1
I didn’t go to______until midnight last night. A: [A] bed B: the bed C: my bed
I didn’t go to______until midnight last night. A: [A] bed B: the bed C: my bed
She always makes ______ after she gets up. A: a bed B: B. the bed C: C. bed
She always makes ______ after she gets up. A: a bed B: B. the bed C: C. bed