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.

A．middle

B．intermediate

C．previous

D．final

杭州市政府2009年3月1日在上海举行“杭州旅游消费券”首发仪式，以吸引更多的国内游客来杭州旅游。杭州旅游消费券发往几乎所有国内(含港澳台)旅游市场，重点区域及发放数量见图，读图回答下列问题。（10分）

(1)请简述杭州发放旅游消费券对经济拉动作用的具体表现。（4分）

(2)杭州发放旅游消费券最多的地区是____________，这是因为旅游资源的最优吸引半径是有限的，__________越短，则旅游者对旅游目的地的需求也越高。发放消费券次多的地区是___________，这表明__  __ __地区是旅游的主要消费市场。（4分）

(3)某游客打算去杭州游西湖，以______________(季节)最好，欣赏西湖的“平湖秋月”观景角度为______________，该景点因此才显得更美。（2分）