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问题 更新时间2023/4/3 12:59:00
能使冠状动脉血流量增多的因素是:
A.主动脉舒张压降低
B.外周阻力小
C.心室舒张期延长
D.心室收缩期延长
E.心率增加
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C
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王老师:
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第1题
She didn.t remember ____him before. A.having met B.have met C.to meet D.to having met
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第2题
The chair looks rather hard, but in fact, it is very comfortable to ____. A.sit B.sit on C.be sat D.be sat on
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第3题
胆汁可促进: A.钙.铁的吸收 B.蛋白质消化 C.糖的吸收 D.维生素A的吸收 E.维生素B吸收
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第4题
They knew her very well.They had seen her ____ up from childhood. A.grow B.grew C.was growing D.to grow
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19139051760
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