As technology continues to advance，we must learn and adapt or we'll risk being a dinosaur.
A. instantly
B. properly
C. constantly
D. deliberately
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(答案→)A. instantly
B. properly
C. constantly
D. deliberately
解析：副词辨析。A立刻，马上；B恰当地；C不停地；D故意地；句意：随着技术的不断发展，我们必须学会立刻适应，否则我们会失败。根据句意说明A正确。