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【单选题】
幼儿心血管的()特征,不能使幼儿血管血压低切供血充足:A.
毛细血管网较密、管径较成人粗
B.
血管总长度较成人短
C.
动脉管径较粗
D.
血管壁薄、弹性纤维多、弹性大
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反馈参考答案：
举一反三
【单选题】His tastes and habits ______ with those of his wife.
A.
combine
B.
compete
C.
coincide
D.
compromise
【简答题】[A] his [B] those [C] most [D] their
【简答题】His tastes and habits ________ with those of his wife. A) combine B) compete C) coincide D) compromise
【简答题】时序逻辑电路的特点是,任意时刻的输出不仅取决于该时刻( )的状态,而且还与( )的状态有关。
【简答题】Both his diet and his structure are comparable to those of the human being, and so he has been the subject of countless experiments.
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