问题
单项选择题
请指出心尖部听到的心律性质（）
A.早搏
B.窦性心律不齐
C.窦性心动过速
D.正常心音
E.窦性心动过缓
答案
参考答案：D
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请指出心尖部听到的心律性质（）
A.早搏
B.窦性心律不齐
C.窦性心动过速
D.正常心音
E.窦性心动过缓
参考答案：D
| 阅读理解。 | ||||
| Good students must be good students at school. They should work hard at all subjects and do what is given to them on time. They should develop the ability (能力) to look after themselves , to try not to depend on (依赖) their parents too much, to think independently (独力地) and to work in a planned way. They should respect (尊重) teachers, have a cooperative attitude (合作态度) toward schoolmates and always be ready to help others. At home, good students should be tidy and hard—working. Besides schoolwork they should help their parents with housework and be always ready to show respect and thanks to their parents when their parents do something for them. They should also be very considerate (体贴的) towards their whole family. When it is necessary to talk to their parents about their personal problems, they should talk nicely and calmly (平静地), getting ready to take advice from their parents since they are much more experienced in life. If any disagreement (不同的想法) happens, good students should try to iron out (消 除) the disagreement by listening to the parents' ideas. Good students should learn quickly by listening to others. | ||||
What should good students do?
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