皮皮学，免费搜题
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【单选题】
构成粗肌丝的蛋白质分子是:A.
肌球蛋白
B.
肌动蛋白
C.
原肌球蛋白
D.
肌原蛋白
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】8个LED采用共阳极接法与9S12单片机的PB端口连接,以下程序代码实现通过查表的方式控制LED灯点亮。阅读下面的程序代码,请回答,当LED灯全部熄灭时,程序中的循环变量m=? #include /* common defines and macros */ #include "derivative.h" /* derivative-specific definitions ...
A.
7
B.
8
C.
9
D.
10
【单选题】Which of the following is NOT the reason for the decrease of salmon according to Mr. Williams?
A.
High water temperatures.
B.
Shocking twist.
C.
Illegal fishing.
D.
Officials' failings.
【简答题】阅读理解 O. Henry was a pen name used by an American writer of short stories. His real name was William Sydney Porter. He was born in North Carolina in 1862. As a young boy he lived an exciting life. He d...
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