预计2050年，中东太阳能发电基地向南亚地区输电量约（）万亿千瓦时/年，输电通道能力

关于地球的自转，下列说法不正确的是（　　）

A．地球的自转方向自西向东

B．从北极上空看，自转方向是逆时针，从南极上空看，自转方向是顺时针

C．由于地球自转，产生了四季变化

D．地球绕地轴自转，且每小时自转15°

保险公司一旦出现资不抵债情况而破产时，保险公司需（）。

A.强制解散

B.任意解散

C.所有权转移

D.资产重组

升麻与葛根都具有的功效是（）

A.清热解毒

B.疏肝解郁

C.解表生津

D.解表透疹

E.清利头目

什么是岩石的硬度？它对钻孔工作有何影响？

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.

68（）

A．middle

B．intermediate

C．previous

D．final