皮皮学，免费搜题
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【单选题】
春季多次发情、自发性排卵的动物是A.
马
B.
牛
C.
山羊
D.
猫
E.
猪
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参考解析：
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皮皮学刷刷变学霸
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【单选题】下列哪项最满足心力衰竭的概念:A 心输出量低于正常 B 心脏每搏输出量降低 C 心输出量绝对或相对减少,难以满足机体代谢需要D 由原发性心脏舒缩功能障碍引起的泵衰竭
A.
B.
C.
D.
D
【简答题】钢筋混凝土受弯构件正截面承载力计算有哪些基本假定?其中的“平截面假定”与均质弹性材料 ( 例如钢)受弯构件计算的平截面假定情况有何不同?
【多选题】Ways to Improve Your Health Sometimes it may seem difficult to improve our health.If so,the following health habits may help you. ●1 ( ) Research shows that eating a meal in the morning results in les...
A.
Get much exercise.
B.
Eat breakfast every morning.
C.
It can also cause traffic accidents!
D.
An active mind is a healthy mind!
E.
Spending time with others is very helpful.
F.
Everyone could get a little more joy in their lives!
G.
Walking is an easy way to add exercise to our lives.
【简答题】3-8 钢筋混凝土受弯构件正截面承载力计算有哪些基本假定?其中的 “ 平截面假定 ” 与均质弹性材料(例如钢)受弯构件计算的平截面假定情况有何不同?
【单选题】Why Chang' aa is popular in poor areas?
A.
It is very cheap.
B.
It can make people highly dizzy.
C.
It provides way for poor people to escape from the misery of slum living.
D.
People who sell it can get great profit.
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