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下列各骨中 属于短骨的是( )A.椎骨B.尺骨C.指骨D.顶骨E.跗骨..
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We our breakfast when an old man came to the door.A.just have hadB.have just hadC.just had..
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He looked quite healthy though he was ______.A.in seventyB.in his seventyC.at seventiesD.a..
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看到学生人数不断减少 校长心里很难受...
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Although cats cannot see in complete darkness their eyes are much more ______ to light tha..
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By no means _____ look down upon the poor...
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