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【单选题】
急性中耳炎,当鼓膜穿孔流脓后,下列局部滴耳液除哪种以外均可先用
A.
双氧水
B.
2%酚甘油
C.
0.25%氯枚素沆眼液
D.
1%卡
E.
红枚素氢化可的松液
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【单选题】“不必说…高大的皂荚树,紫红的桑葚,也不必说鸣蝉在树叶里长吟,轻捷的叫天子突然从草间直窜向云霄里去了。 ”下列哪项不是皂荚树、鸣蝉等生物的基本特征(   )
A.
排出废物
B.
生长发育
C.
反射
D.
繁殖
【单选题】彻底删除的文件和文件夹的快捷键是()
A.
Esc+Del
B.
Tab+Del
C.
Shift+Del
D.
Alt+Del
【单选题】A wide area network:
A.
gives equal power to all computers on the network and is used primarily in small networks.
B.
spans a large geographical distance, and may consist of a variety of media technologies.
C.
is a private, multipath, data-only, third-party-managed network that multiple organizations use on a subscription basis.
D.
routes and manages communications on the network and coordinates network resources.
【判断题】Linux文件系统中每个文件用l节点来标识。
A.
正确
B.
错误
【单选题】Wide Area Network (WAN) is a computer network that covers a broad areA. Which statement is correct for wide-area network (WAN)?()
A.
Limited in a single building, a group of buildings, or even a single room
B.
Crosses metropolitan, regional, or national boundaries
C.
Encompasses an entire city or metropolitan area and connects multiple local-area networks (LANs)
D.
Connects client devices wireless protocol
【单选题】可彻底删除选定的文件的快捷键是( )
A.
CTRL+Delete键
B.
ALT+Delete键
C.
Delete键
D.
Shift+Delete键
【单选题】对选中的文件或文件夹执行彻底删除的快捷键是
A.
Ctrl+Del
B.
alt+Del
C.
Shift+Del
D.
Shift+X
【判断题】linux文件系统中每个文件用j节点来标识。()
A.
正确
B.
错误
【单选题】“不必说…高大的皂荚树,紫红的桑葚,也不必说鸣蝉在树叶里长吟,轻捷的叫天子突然从草间直窜向云霄里去了。 ”下列哪项不是皂荚树、鸣蝉等生物的基本特征
A.
新陈代谢
B.
生长发育
C.
反射
D.
繁殖
【简答题】A Wide Area Network can .A. cover a wide geographical area B. link two or more LANs C. link two LANs only D. not be publicly accessible
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