最长的胎头径线是
A．双顶径
B．枕额径
C．枕颏径
D．枕下前囟径
E．双颞径
参考答案：C
解析：枕颏径又称大斜径，足月时平均为13.3cm。
“千耦其耘”的劳动场面出现在[ ]
A．西周
B．春秋
C．战国
D．秦朝
More and more high-rise buildings have been built in big cities____ space.
A．in search of
B．in place of
C．for lack of
D．for fear of
