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【单选题】
《传染病防治法》中规定的甲类传染病为A.
布氏杆菌与炭疽
B.
霍乱与炭疽
C.
霍乱与鼠疫
D.
艾滋病与鼠疫
E.
麻风与艾滋病
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反馈参考答案：
举一反三
【单选题】Having checked the doors were closed, and ___ all the lights were off, the boy opened the door to his bedroom.
A.
why
B.
that
C.
when
D.
ours
【单选题】can be used to check the air leakage from the pip
A.
The lube oil
B.
The fuel oil
C.
The soap water
【单选题】静压轴承的工作原理是 ,再经过间隙流回油池。
A.
压力油经过一个节流器分别流入轴承的一个油腔
B.
压力油经过四个节流器分别流入轴承的四个油腔
C.
压力油经过一个节流器分别流入轴承的四个油腔
D.
压力油经过一个节流器分别流入轴承的两个油腔
【简答题】Having checked the doors were closed, and ___ all the lights were off, the boy opened the door to his bedroom. A．why B．that C．when D．ours1
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