关于Modernmethodsoftrack的百科

• 改错：(2019·全国卷Ⅰ改编)Modernmethodsoftrackingpolarbearpopulat...

• 问题详情：改错：(2019·全国卷Ⅰ改编)Modernmethodsoftrackingpolarbearpopulationsareexpensiveperformingconsistentlyoveralargearea.________________________________________________________________________【回答】performing→toperform此处是“主语＋be＋adj.＋不定式...
• 2020-01-2621285