41 Some scientists report that yawning can make us more __________. When we yawn, we breathe deeply and
stretch the muscles in our face and neck.
(A) alert
(B) alien
(C) alight
(D) alike
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單字題 Some scientists...
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41. Some scientists ...
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yawn 打哈欠(A)alert 敏捷的...
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嗯....寫英文題目還能增加科學知識,h...