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【单选题】
蛤蚧有四足，四足均有五趾，五趾的特征是A.
五趾均具爪，趾底面具吸盘
B.
五趾均具爪，趾底面无吸盘
C.
五趾均具爪，趾间有皮膜相连
D.
五趾中有4趾具爪，趾底面无吸盘
E.
五趾中有4趾具爪，趾底面具吸盘
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皮皮学刷刷变学霸
举一反三
【单选题】When I was a child, I had already learned that the earth ______ round the su n.
A.
moved
B.
is moving
C.
will move
D.
moves
【单选题】运动性的贫血的主要症状错误描述是：
A.
头痛头晕，失眠，反应能力下降
B.
女运动出现月经紊乱或闭经
C.
轻 重的贫血可出现肢体浮肿，心脏扩大等体征
D.
中重贫血可出现皮肤和黏膜苍白，舌乳头萎缩
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