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【单选题】
___可以算是自动识别技术的先驱。A.
光符号识别技术（OCR）
B.
条码技术(Barcode)
C.
射频识别技术，即电子标签
D.
生物识别技术
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】The couple had no sooner got to the station _____ the coach left. (2009)
A.
when
B.
as
C.
until
D.
than
【单选题】Important his discovery was, it was regarded as a matter of no account in his time.
A.
when
B.
until
C.
as
D.
although
【单选题】After a serious illness, he finally _______ how important his health is.
A.
meant
B.
realized
C.
added
D.
impressed
【简答题】A．His standpoint in important issues. B．His effort to get equal rights for women. C．His ability to create job opportunities. D．His performance at work.
【简答题】A．His standpoint in important issues. B．His effort to get equal rights for women. C．His ability to create job opportunities. D．His performance at work.
【简答题】函数 在 内满足拉格朗日中值定理的点是 ____。
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