填空题：A．to be on the alert when being followed.B．not to leave seni

题目分类：英语四级
题目类型：填空题
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题目内容：

A．to be on the alert when being followed.
B．not to leave senior citizens alone at home.
C．not to let anyone in without an appointment.
D．to watch out for those from the electricity board.

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A．Review the details of all her lessons.B．Compare notes with

A．Review the details of all her lessons.B．Compare notes with his classmates.C．Ta

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A．Give his ankle a good rest.B．Treat his injury immediately.

A．Give his ankle a good rest.B．Treat his injury immediately.C．Continue his r

分类：英语四级题型：填空题

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简述配送中心的作业流程。

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证券公司的经纪业务和自营业务都具有同样的风险性。（　）

分类：英语四级题型：填空题

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在指令驱动系统下，证券交易价格由市场上的买方订单和卖方订单共同驱动的。（　）

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