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【单选题】
与带传动相比,链传动的主要优点是()。A.
工作平稳、且无噪声
B.
制造费用低
C.
平均传动比准确
D.
使用寿命长
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参考解析：
知识点：
皮皮学刷刷变学霸
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【单选题】下列关于肥厚型心肌病的描述，正确的是（）
A.
以左心室肥厚为主，不累及室间隔
B.
以右心室肥厚为主，不累及室间隔
C.
典型患者左心室容量正常或变小
D.
典型组织学改变为心肌细胞肥大但排列规则
E.
临床常无心律失常及猝死
【简答题】阅读理解。 If you are lost in the mountains, stay calm in the face of darkness, loneliness, and the unknown. It will greatly increase your chances of survival (生存). Many people think that preparing necessa...
【简答题】阅读理解。 If you are lost in the mountains,stay calm in the face of darkness,loneliness,and the unknown. It will greatly increase your chances of survival.Many people think that preparing necessary equipm...
【简答题】If you are lost in the mountains, stay calm in the face of darkness, loneliness, and the unknown. It will greatly increase your chances of survival. Many people think that preparing necessary equipm...
【单选题】If you are lost in a strange place, you ask a stranger for help and say_____
A.
Is there anything I can do for you?
B.
I wonder if you could do something for me?
C.
May I help you?
【多选题】关于肥厚型心肌病，描述正确的是
A.
心内膜下纤维组织增生，内膜明显增厚
B.
心肌细胞肥大、间质纤维增生
C.
心室收缩功能减弱，右心房扩大
D.
主要累及室间隔和左心室
E.
可有家族史，为常染色体显性遗传
【简答题】If you are lost in the mountains, stay calm in the face of darkness, loneliness, and the unknown. It will greatly increase your chances of survival (生存). Many people think that preparing necessary equ...
【简答题】If you are lost in the mountains, stay calm in the face of darkness, loneliness, and the unknown. It will greatly increase your chances of survival. Many people think that preparing necessary equipmen...
【简答题】If you are lost in the mountain, don’t get nervous. Staying calm will greatly your chances of survival. Many people think that good preparation is very . But actually the most important thing is to ke...
【单选题】What does the speaker advise you to do first if you are lost in the woods?
A.
Use a map to identify your location.
B.
Call your family or friends for help.
C.
Sit down and try to calm yourself.
D.
Try to follow your footprints back.
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