头围与胸围大致相等的年龄为
A．新生儿B．1岁C．2岁D．6岁E．12岁
参考答案：B
The building ______ will be completed in two months.
A．painting
B．being painted
C．to have painted
D．painted
对于DSA高压发生器的要求是
A．输出稳定
B．高千伏
C．低毫安
D．长时间
E．短脉冲
