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【单选题】
关于细菌鞭毛的叙述不正确的是A.
不同的菌种鞭毛的数目、位置可不相同
B.
是细菌的运动器官
C.
细菌可通过鞭毛转移
D.
鞭毛运动可增强细菌对宿主的侵害
E.
鞭毛具有特殊的H抗原，可用血清学方法检查
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反馈参考答案：
举一反三
【简答题】The latest bomb attacks served as a reminder of the truth that wars are conducted for political purposes. (universe)
【简答题】A．It was a bomb. B．It wasn't a bomb. C．It must be the breaking of the front type of the vehicle. D．It was like a bomb.
【单选题】The bomb was taken away and the soldiers ______ it at a safe distancefrom the houses.
A.
exposed
B.
exported
C.
exploded
D.
excluded
【单选题】Richard Reid tried to bomb a plane with the bomb ______.
A.
provided by terrorists
B.
stolen from the military
C.
made according to the methods shown in Internet
D.
made in his lab
【简答题】设A、B两点的纵坐标分别为500m、600m,则纵坐标增量 D xBA= 。
【简答题】设Ａ、Ｂ两点的纵坐标分别为500m、600m，则纵坐标增量△X BA =（）
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