皮皮学，免费搜题
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【单选题】
细肌丝主要由下列哪些蛋白构成?A.
肌动蛋白、肌球蛋白、肌钙蛋白
B.
肌动蛋白、原肌球蛋白、肌钙蛋白
C.
肌动蛋白、肌球蛋白、原肌球蛋白
D.
原肌球蛋白、肌钙蛋白
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反馈参考答案：
举一反三
【单选题】I always think that while we are in the world,we should try .
A.
possible anything
B.
everything possible
C.
possible everything
D.
something possible
【简答题】( )是指所有用户在同样的时间占用不同的带宽资源的技术。用户在分配到一定的频带后,在通信过程中( )都占用这个频带。
【单选题】I always try in quietly, but they always hear me upstairs.
A.
coming, going
B.
to come, going
C.
coming, go
D.
to come, go
【单选题】— I always go there by bus. — Why not ______ by train? It's faster. [ ]
A.
to try going
B.
trying to go
C.
to try and go
D.
try to go
【简答题】Though I don’t have much money, I always try to think positively. However, sometimes, I also feel depressed and sad when I think how others have more than me, so I hate thinking about money. When I wa...
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