黄瑶拿一张正方形的纸按图沿虚线连续对折后剪去带直角的部分,然

黄瑶拿一张正方形的纸按图沿虚线连续对折后剪去带直角的部分,然后打开后的形状是( 

          

    

答案

C

相关题目

I was growing tired of helping the numerous people who lost their way and parke
I was growing tired of helping the numerous people who lost their way and parked in front of my house. Almost every night I was   1  during a good night’s sleep to help someone passing through
回旋加速器是用来加速带电粒子的装置,如图所示,它的核
回旋加速器是用来加速带电粒子的装置,如图所示,它的核心部分是两个D形金属盒,两盒相距很近,分别和高频交流电源相连接,两盒间的窄缝中形成
已知|a|=3,|b|=4,m=a+b,n=a+λb,〈a,b〉=135°,m⊥n,则λ=________.
已知|a|=3,|b|=4,m=a+b,n=a+λb,〈a,b〉=135°,m⊥n,则λ=________.
用pH试纸可以测定溶液的酸碱度,下列说法正确的是( ) A
用pH试纸可以测定溶液的酸碱度,下列说法正确的是( ) A.测定时将pH试纸直接伸入待测液中    B.与标准比色卡比照后,得出某溶液pH为5.6    C
It is already home to whales, seals and polar bears, but soon the Arctic (北极
It is already home to whales, seals and polar bears, but soon the Arctic (北极) must find __1__ for some Chinese visitors. A team of nine scientists will __2__ to the Arctic this month to mark the
设a=3x2﹣x+1,b=2x2+x,则( )                     
设a=3x2﹣x+1,b=2x2+x,则( )                                                      A.a>b                      
下列各句中,加点的词语使用恰当的一项是      (   )
下列各句中,加点的词语使用恰当的一项是      (   ) A.一座占地面积相当于600个足球场,融商务贸易.金融会展等功能于一体的地下城刚刚经
如图所示,一块长方体橡皮在推力的作用下做匀速滑动,若
如图所示,一块长方体橡皮在推力的作用下做匀速滑动,若沿ab竖直向下切去右边,用力推剩余部分仍在原桌面上匀速滑动,则此时橡皮对桌面的压强 

最新题目