【单选题】
枕左前位胎头进入骨盆时，衔接的径线是___
A. 双顶径
B. 双颞径
C. 枕下前囟径
D. 枕额径
E. 枕颏径
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答案
D
解析
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A. 指妇女在避孕失败后采取的避孕方法
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骨折愈合过程中，下列错误的是___
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B. 内、外骨痂由膜内化骨而来，环状骨痂及腔内骨痂由软骨内化骨而来
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C.
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Which type of attack can exploit design flaws in the implementation of an application without ？___
A. DHCP starvation attacks
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D. application DDoS flood attacks
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