搜索引擎体系中的Caching模块起缓冲作用，将反复被查的查询及查询结果缓冲在Caching模块。
搜索引擎体系中的Caching模块起缓冲作用，将反复被查的查询及查询结果缓冲在Caching模块。
DNS服务器分类（）。 A: 主DNS服务器：master最权威 B: 辅DNS服务器：slave C: 惟缓存DNS服务器：caching-only D: 以上都不正确
DNS服务器分类（）。 A: 主DNS服务器：master最权威 B: 辅DNS服务器：slave C: 惟缓存DNS服务器：caching-only D: 以上都不正确
He likes______classical music on the piano. A: only to play B: to only play C: only to playing D: to play only
He likes______classical music on the piano. A: only to play B: to only play C: only to playing D: to play only
______ you had listened to me! A: Only if B: If only C: If D: Only
______ you had listened to me! A: Only if B: If only C: If D: Only
Oh, （）I could speak several languages now! A: only if B: whether only C: if only D: only whether
Oh, （）I could speak several languages now! A: only if B: whether only C: if only D: only whether
Hewasthe____atthemoment. A: only alive person B: alive only person C: only person alive D: person only alive
Hewasthe____atthemoment. A: only alive person B: alive only person C: only person alive D: person only alive
_____ the plane had taken off _____she left the airport for home.( ) A: It is only when; what B: It was only that; when C: It was only when; that D: It is only then; that
_____ the plane had taken off _____she left the airport for home.( ) A: It is only when; what B: It was only that; when C: It was only when; that D: It is only then; that
______inTaiwan but also in Hong Kong. A: He is famous not only B: Not only he is famous C: Not is he famous only D: He is not only famous
______inTaiwan but also in Hong Kong. A: He is famous not only B: Not only he is famous C: Not is he famous only D: He is not only famous
____________________ [A] even if [B] if only [C] only if [D] as if
____________________ [A] even if [B] if only [C] only if [D] as if
_______ working hard can we succeed in doing anything. A: Only by B: By C: By only D: Only
_______ working hard can we succeed in doing anything. A: Only by B: By C: By only D: Only