* * 检查胎方位时结合囟门有意义的颅缝是()
A.人字缝
B.矢状缝
C.冠状缝
D.颞缝
E.额缝
参考答案:B
下列说法正确的是( )
A.等腰梯形既是中心对称图形又是轴对称图形
B.矩形是轴对称图形且有四条对称轴
C.菱形的对角线相等
D.正方形的对角线互相垂直平分且相等
Was it two years ago _____ they first met? [ ]
A. since
B. which
C. while
D. that