关于出入口控制系统的基本形式,下列哪项叙述是错误的?()
A.接触式刷卡装置
B.非接触感应式刷卡装置
C.指纹识别
D.数字键盘装置
参考答案:D
19岁,女性,原发性闭经,查体示内外生殖器发育正常,以下哪项检查对诊断关系不大()
A.TSH测定
B.染色体检查
C.FSH、LH测定
D.PRL测定
E.糖代谢的检查
At first his plan seemed impossible to put into practice, but ___it turned out to be quite easy.
A. ever since B. so far C before long D. above all