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【判断题】
做实验室时, A 同学发现实验现象很有意思,兴奋得高声呼喊,叫自己的好闺蜜一起分享实验的喜悦。A.
正确
B.
错误
手机使用
分享
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反馈参考答案：
举一反三
【简答题】3-6岁儿童有意注意的特点是什么?
【单选题】关于冠脉循环的叙述，错误的是（）。
A.
在心室收缩期血流量少
B.
在心室舒张期血流量多
C.
血流量约占心输出量的4％～5％
D.
动脉舒张压升高时，血流量增多
E.
心肌缺氧时血流量减少
【单选题】We all have offensive breath at one time or another. In most cases, offensive breath emanates from bacteria in the mouth, although there are other, more surprising causes. Until a few years ago, the m...
A.
thrive on
B.
account for
C.
originate from
D.
descend from
【简答题】A．impolite B．defensive C．deliberate D．offensive
【单选题】关于冠脉循环，下列叙述错误的是（）
A.
最大活动时能够增加至10%
B.
静息时70kg成人冠状循环血量为225ml
C.
心脏收缩时心内膜下血供明显增加
D.
心内膜下阻力血管张力比心外膜低
E.
左心室舒张期末压升高，冠状血流减少
【单选题】关于正常冠脉循环系统的叙述，错误的是
A.
左右冠状动脉为高氧血液
B.
低氧血液经冠状静脉窦入右房
C.
冠脉循环占全身血容量的很小部分
D.
冠状静脉收集心脏低氧血液
E.
冠脉循环对缺血敏感
【简答题】A．impolite B．defensive C．deliberate D．offensive
【单选题】We all have offensive breath at one time of another. In most cases, offensive breath emanates from bacteria in the mouth, although there are other more surprising causes. Until a few years ago, what t...
A.
thrive on
B.
account for
C.
originate from
D.
descend from
【单选题】We all have offensive breath at one time or another. In most cases offensive breath emanates from bacteria in the mouth, although there are other, more surprising causes. Until a few years ago, the mo...
A.
thrive on
B.
account for
C.
originate from
D.
descend from
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