皮皮学，免费搜题
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【多选题】
关于骨骼肌收缩机制,下列正确的是A.
肌节缩短
B.
Ca2+与横桥结合
C.
细肌丝向粗肌丝滑行
D.
横桥与肌纤蛋白结合
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皮皮学刷刷变学霸
举一反三
【单选题】He wanted to travel to Beijing in the most ___way.
A.
economical
B.
bulky
C.
maintenance
D.
advantageous
E.
lies in
F.
transport
G.
volume
【单选题】He wanted to travel around the world in the most ____ way.
A.
economically
B.
economical
C.
economy
D.
economics
【简答题】He wanted to travel to Beijing in the most ____ way.
【简答题】实验1 算术测试 模板代码 Teacher.java public class Teacher { int numberOne,numberTwo; String operator=""; boolean right; public int giveNumberOne(int n) { numberOne=(int)(Math.random()*n)+1; return numberOne;...
【单选题】Why did the man resign from the engineering firm?
A.
He wanted to travel.
B.
He found his job boring.
C.
He was not qualified to be an engineer.
D.
He was not happy with the new director.
【单选题】He wanted to travel to Beijing in the most _____way.
A.
lie in
B.
delivery
C.
bulky
D.
economical
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