皮皮学，免费搜题
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【单选题】
肌丝滑行学说中与粗肌丝有结合位点的是。A.
肌钙蛋白
B.
肌球蛋白
C.
肌动蛋白
D.
原肌球蛋白
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】《生产性粉尘作业危害程度分级》不适用于（ ）。
【单选题】If we don't take action on this issue within the next five years, we won't have anything to do ______ to campaign about.
A.
in ten years' time
B.
in twelve years' time
C.
in twenty years' time
【单选题】If we place a stone on a scale that calibrates to measure weight, then the reading on the scale is the stone’s weight. If we do this underwater, the apparent weight of the stone in a fluid
A.
is smaller than its weight.
B.
is equal to its weight.
C.
is bigger than its weight.
【简答题】股份有限公司的设立可以采取的方式有（ ）。
【单选题】If we want to finish this job on time, we must keep our eyes on the bal l.
A.
do a good job
B.
focus on the ball
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