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【单选题】
痢疾杆菌的主要致病机制是A.
侵入的细菌数量
B.
外毒素
C.
神经毒素
D.
侵袭力和内毒素
E.
肠毒素
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反馈参考答案：
举一反三
【单选题】How many houses in the city?
A.
There are approximately 1,500 houses in the city.
B.
There are approximately 150 houses in the city.
C.
There are approximately 15,000 houses in the city.
【判断题】For Wooster Brush, the reasons for innovation are some problems existing in the traditional mini roller as well as the influx of foreign competition into the mini-roller market.
A.
正确
B.
错误
【多选题】企业可以根据_______等原则来选择恰当的服务标准。
A.
为顾客预期而设立标准
B.
应基于顾客的行为和行动
C.
标准宜低使员工很容易就达到
D.
制定员工可以接受的标准
E.
应反映需要改进或维持的行为表现
【简答题】The influx of_________ words into English began with the revival of learning Greek classics.
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