A typical (66) 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 (67) . 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 (68) results during expression evalution stored at the discretion of the language implementation, and effecting parameter (69) and (70) operations through value copying.

69（）

A．tranverse

B．transportation

C．transmmision

D．translation

2013年4月6日，在哈萨克斯坦阿拉木图进行了为期两天的伊朗核问题谈判，伊朗首席谈判代表贾利利说，伊朗考虑做出重大妥协，不过要求伊朗核问题六国必须提供更为优厚的回报。上述材料主要说明（）

A.和平与发展是时代的主题

B.国际关系的本质是一种利益关系

C.世界多极化趋势不可逆转

D.霸权主义是世界和平的主要障碍