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【华慧考博】考博英语每日一练（3.23）考博加油！
1. Desertification is a form of land degradation, by which the once______ land becomes desert.
A. barren
B. fertile
C. naked
D. eroded
2. My work with leaders from all walks of life has ________ me that they were not born leaders—they are made.
A. advocated
B. implied
C. convinced
D. illustrated
【考博英语补全句子】
1. _________ _______ his appearance, he didn’t understand what you said. （根据他的外表判断，他没有明白你说什么。）
2. Please don’t _______ _______（灰心）, you still have more chances.
句意：别灰心，你还有更多的机会
