【华慧考博】考博英语每日一练(6.29)考博加油!
1. I ______ to him because he phoned me shortly afterwards.
A. ought to have written
B. must have written
C. couldn’t have written
D. needn’t have written
2. The negotiations which ______ the signing of the treaty took place over a hundred of years.
A. preceded
B. prescribed
C. proceeded
D. processed
【专业词汇翻译】
1.新型电力系统
2.新型能源体系






