【题目】

【题干】【完形补文】下面的短文有10处空白，每处空白后的括号内有一个词，请根据短文内容将其正确的形式填入文中，以恢复文章原貌。
Four-Digit PINs
ATMs(自动取款机)were created(create)in 1967 by a Scottish man named JohnShepherd-Barron,who thought that ___41___(get)cash should be as easy as buying achocolate bar.But the ___42___(difficult)was how to ensure that you were who you said youwere.To prevent ___43___(problem),Shepherd-Barron developed a special type of papercheck.It worked like the bank card a person ___44___(use)today.Each check would causehis cash machine to request a ___45___(person)identification number,or PIN.Only theaccount ___46___(own)knew it.Shepherd-Barron already had a six-digit ID number.Itwas ___47___(give)to him by the army.So,he was going to let the machine makethe ___48___(require)of a six-digit PIN from everyone who used it.That ___49___(probable)would have been the standard.However,his wife disliked it.She believed that six digits were ___50___(hard)than four to remember.Finally,four became the standard.

【试题】45空填

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