如何保护软盘片（） A.防止飞尘沾上及防霉 B.避免磁场干扰 C.定时清洁磁盘驱动器

A typical (36) language contains an applicative sub-language which approximates the mathematical abstractions of "timeless" functions applied to’ "spaceless" values, where the actual operation sequences and use of storage space during expression evaluation are organized behind the (37) . In this setting, values are data structures of low volume, typically a few computer words or less, which means that an illusion of spacelessness can be realized by having (38) results during expression evaluation stored at the discretion of the language implementation, and effecting parameter (39) and (40) operations through value copying.

36（）

A. middle

B. intermediate

C. previous

D. final

网络性能KPI获取的方式主要包括（）。

A、路测

B、后台性能统计

C、客户投诉

D、定点呼叫测试

维生素

为什么禁止乘车携带烟花爆竹等易燃易爆物品？

关于淋巴系统的正确描述是（）

A.由淋巴管道、淋巴器官、淋巴组织构成

B.可视为静脉的辅助结构

C.参与机体免疫，是重要的防疫屏障

D.浅淋巴管多与浅静脉伴行于皮下

E.淋巴器官含肝、脾、胸腺