下列各句加横线的词，为词类活用的一项是（ ）

he agree to come to join us in thework” “No, _______ we promise him more money.”

Take a map of New York with you while traveling ________ you have a guide or know the city well.

To make sure the relics in the museum are well-preserved Tibet’s cultural preservation institutions have _____ modern technologies to monitor the conditions of the relics. [ ]

Few pleasures can _____ that of a cool drink on a hot day .