题目内容


. People have always been_______about exactly how life on earth began.
A．curiousB．excitedC．anxiousD．careful
A
“人们一直对地球上的生命是怎样起源的很好奇。”A. curious 好奇 B. excited 兴奋     C. anxious 焦急 D. Careful细心，答案A。
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