4个月,男婴,相貌怪异,请结合图片选出最可能的诊断()
A.颅缝早闭
B.脑小畸形
C.颅底陷入
D.Dany-Walker综合征
E.脑积水
参考答案:A
已知曲线C:x2y+xy2=1,则曲线C关于对称的序号有( )
(1)x轴对称;(2)y轴对称;(3)原点对称;(4)直线y=x对称;(5)直线y=-x对称.
A.(3)(4)
B.(1)(5)
C.(4)
D.(2)(5)
—Have you read a book called Jane Eyre?
—Who _____it ?
A writes B has written C was writing D wrote