问题标题:
Youngchildrenhavealimitedattention____andcan'tfocusononeactivityforverylongA.rangeB.spanC.reachD.spread
问题描述:
Youngchildrenhavealimitedattention____andcan'tfocusononeactivityforverylong
A.rangeB.spanC.reachD.spread
孙庆杰回答:
名词span:
1.thecompletedurationofsomething
Biscorrect
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