75. In the___ of human life the honors and rewards fall to those who show their good qualities in action.
A. ring
B. terrace
C. arena
D. ground
76. On January 1st many people make a New Year
A. intention
B. determination
C. dedication
D. resolution
77. Bill assured his boss that he would __ all his energies in doing this new job.
A. call forth
B. call at
C. call on
D. call off
78. We had a __ lesson in ideological education yesterday and were deeply impressed.
A. profound
B. deep
C. extreme
D. shallow
79. Despite technical progress, some food production is still completely __ on weather.
A. reliable
B. dependable
C. dependent
D. inseparable
80. His speech rambled for half an hour, but the___ of what he had said was that too many people has too little money.
A. aim
B. purpose
C. essence
D. content