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單項選擇題

It will be safer to walk on the streets because people will not need to carry large amounts of cash; virtually all financial（）will be conducted by computer.

A.transformations
B.transmissions
C.transitions
D.transactions

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單項選擇題

The rest of the family had nearly reached the river, but Jane was（）behind as usual.

A.declining
B.delaying
C.lacking
D.lagging

單項選擇題

With the introduction of（）technology, information flows faster than it ever did.

A.involved
B.complicated
C.sophisticated
D.complex