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【单选题】
下列致腹泻毒素中,毒性最强的是A.
大肠杆菌产生的肠毒素
B.
志贺氏菌产生的志贺肠毒素
C.
金黄色葡萄球菌产生的肠毒素
D.
霍乱弧菌产生的肠毒素
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反馈参考答案：
举一反三
【单选题】A layman in this field______ this type of approach to improving work efficiency.
A.
originated
B.
speculated
C.
generated
D.
manufactured
【单选题】Which description regarding OSPF Network LSAs is correct?（）
A.
They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.
B.
They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.
C.
They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.
D.
They are originated by every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.
【简答题】T h e Chinese spring festival originat es from the wishes of safety and longevity, however Christmas is associated with ______ , mostly ______ .
【简答题】儿童：指年龄满（）周岁但不满（）周岁的人。婴儿：指年龄不满（）周岁的人。
【简答题】相对负刑事责任的年龄是已满14周岁不满18周岁。()
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