Land bridge system is in operation for the movement of（ ）on certain important international routes.

[单选题]Land bridge system is in operation for the movement of（ ）on certain importa

[单选题][A] research[B] operation[C] movement[D] search

[单选题]Land （or ground） freighttransport is movement of goods from one location to

[单选题]Land （or ground） freight transportis movement of goods from one location to

[判断题]Land bridge and mini-bridge are a combination of transport by road and rail

[判断题]Land bridge and mini-bridge are a combination of transport by road and rail

[名词解释] 英译中：Land bridge transport

[单选题]In a certain cache system, the modified cache block is written to main memory only when the block is replaced.All of following are used to describe this policy EXCEPTA．store-inB．write-backC．copy-backD．write-through

[单选题]The two goals of an operation system are( )and efficiency．A．convenienceB．quickC．optimizeD．standardize

[单选题]The two goals of an operation system are（71）and efficiency.（71）A．convenienceB．quickC．optimizeD．standardize