—Hey, Kelin. Happy new year! ______?—Ok, I guess. My grandma kept cooking and cooking, so I just kept eating.
A:How was your break
B:How is your grandma
C:Where did you go for holiday
D:What did you do in your holiday
用剪刀将形状如图1所示的矩形纸片ABCD沿着直线CM剪成两部分,其中M为AD的中点.用这两部分纸片可以拼成图2所示的Rt△BCE.若Rt△BCE是等腰直角三角形,设原矩形纸片中的边AB=a,BC=b,b满足a+b=m﹣1,ab=m+1,则点D到CM的距离为( )
人口专家预测,随着单独二胎政策的实施,我国男女比例失衡问题会更加严峻.下列有关性别决定的叙述,你不认同的是( )
小辉依据下列人物的事迹及影响,概括了以下主题,你认为最合适的是( )