【判断题】【消耗次数：1】
按核心业务活动分类，管理信息系统可分为电子业务系统、电子政务系统和电子商务系统。
①
正确
②
错误
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答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”Marys father was a doctor, and her mother was his cooker.
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答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”We use computers a lot in medicine nowadays, either.
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答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”It is believe that the human body possesses a wide variety of biological clocks.
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答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”Mary and her sister studied Electronic Computers last year, and so Jean did.
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【多选题】
_____________ when the phone rang.
①
Scarcely I had entered the room
②
had I scarcely entered the room
③
Scarcely had I entered the room
④
I had scarcely entered the room
【单选题】
At this moment she____________ a pilot coming in.
①
recovered
②
bought
③
noticed
④
wanted
【单选题】
Had Irealized youwerebusy,I________ youwithmyquestions.
①
wouldhavebothered
②
wouldnthavebothered
③
willbother
④
wontbother