【华慧考博】考博英语每日一练(6.28)考博加油!
1. To ______a room is to keep it supplied with fresh air.A. blaze
B. ventilate
C. boast
D. violate
2. This electronic superhighway is called the Internet, ______ it is the backbone (主干) of the World Wide Web.
A. and
B. yet
C. or
D. while
【考博英语句子改错】
Even before the human organism developed into their present stage of Homo sapiens, the beginnings of culture were already evident.
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