【华慧考博】考博英语每日一练(6.13)考博加油!
1. He won by ______, because his opponent refused to play.
A. defect
B. default
C. deficit
D. refusal
2. The gap between those at the lowest level and those at the highest level of income had increased ______, and is continuing to increase.
A. successfully
B. succinctly
C. substantially
D. sufficiently
【考博英语句子改错】
Whichever they may differ widely in function, all cells have a surrounding membrane and an internal, water-rich substance called cytoplasm.