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问题 多项选择题

根据《风景名胜区条例》的规定，国家对风景名胜区实行（）的原则。

A.提高效益

B.统一管理

C.严格保护

D.永续利用

E.科学规划

答案

参考答案：B, C, D, E

单项选择题

(21) put computers to practical business use, but below the surface it is the heart of an (22) - the kernel - that provides the technical wizardry to juggle multiple programs, connect to networks and store (23) .
A traditional kernel provides all the functions for applications. The kernel (24) memory, I/O devices and parcels out processor time.
The kernel also supports (25) and fault tolerance, which is the ability to recover automatically when parts of the system fail.

A．manages

B．manage

C．managed

D．managing
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判断题

小件货物、鲜活商品、季节性商品适宜采用航空运输。 ( )
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