68. He has done stupid things before, but to look for the escaping gas wi th a match really was the _____silliness.
　　A triumphantB unanimousC trivialD ultimate

　　69. It will be safer to walk the streets because people will not need to carry large amounts of cash, Virtually all financial____ will be conducted by computer.
　　A transmissionsB transitionsC transactionsD traffic kings

　　70. Many people emigrated to America because of being _____for their political or religious belief.
　　A prosecutedB persecutedC imprisonedD executed