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【多选题】
车钩在闭锁位和时，钩舌与钩腕内侧面距离的运用限度分别为（）。A.
130mm
B.
135mm
C.
235mm
D.
250mm
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【简答题】Win8系统Administrator用户无法访问Metro怎么办
【单选题】为了加强防止黑客猜测系统管理员Administrator的密码，保证系统安全，最有效的措施是哪个？（）
A.
给Administrator账户设置复杂密码
B.
降低Administrator账户的系统权限
C.
降低Guest账户权限
D.
给Administrator账户改名
【单选题】In which way can we measure the volume of an irregular object?
A.
By measuring the volume of the water it displaces.
B.
By measuring the container of the object.
C.
By measuring the weight and density of the object.
【单选题】We feel an object is heavy
A.
because weight is a fixed quality in an object.
B.
because they are far away from the centre of the earth.
C.
because of the earth’s strong attraction for them.
D.
because they are not taken away from the surface of the earth.
【单选题】以下对Windows 系统账号的描述，正确的是______
A.
Windows系统默认不允许修改administrator管理员账号为其它名称
B.
Windows 系统默认生成administrator 和guest 两个账号，两个账号都不可以改名
C.
Windows 系统默认会生成administrator 和guest 两个账号，不允许修改guest账号名称
D.
Windows 系统默认生成administrator 和guest 两个账号，两个账号都可以改名
【单选题】In which way can we measure the volume of an irregular object?
A.
By measuring the water it displaces.
B.
By measuring the container of the object.
C.
By measuring the weight of the object.
D.
By measuring the density of the object.
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