试述骨骼肌肌原纤维中肌丝的组成和分子结构。

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问题:

试述骨骼肌肌原纤维中肌丝的组成和分子结构。

考点:生物学动物学动物学题库
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阅读下列短文,根据短文中的信息完成文后表格。(每空一词)
It’s hard to make friends if you stay at home alone all the time. Get out of the house and do things that will put you in touch with other people. It’s easier to make friends when you have the same interests.
Don’t be afraid to show people what you are really good at. Talk about the things you like and do best. People will be interested in you if there is something interesting about you.
Look at people in the eyes when you talk to them. That way, they will find it easier to talk to you. If don’t, people may think you are not interested in them and may stop being interested in you.
Be a good listener. Let people talk about themselves before talking about ‘me, me, me’. Ask lots of questions. Show interest in their answers.
Try to make friends with the kind of people you really like — not just with those who are easy to meet. Be friendly with a lot of people. If so, you will have a bigger group of people to choose(选择) from and have more chances(机会) to make friends.
 小题1:to make friends
Idea
Suggestions(建议)
Results
Go   小题2:and keep in touch with other people.
·Don’t be afraid of   小题3:yourself.
People will be   小题4:in what you like and do best.
·Look at people in the   小题5:.
It will be easier to   小题6:with others.
·Be a good   小题7:.
Let people talk about themselves before talking about   小题8:.
·Be   小题9:to many people.
You will have   小题10:people to choose from as your friends.
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输尿管结石病人,术前必须

A.多活动

B.多饮水

C.输血

D.拍摄腹部X线平片

E.尿常规检查

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下列关于利用衍生产品对冲市场风险的描述,不正确的是( )。

A.构造方式多种多样

B.交易灵活便捷

C.通常只能消除部分市场风险

D.不会产生新的交易对方信用风险

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黄精在贮存中容易发生()

A.香砂平胃丸 

B.香砂养胃丸 

C.木香顺气丸 

D.加味保和丸 

E.加味左金丸

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新建高速公路路基施工中,对其中某一路段上路床压实质量进行检查,压实度检测结果分别为98.6、95.4、93.0、99.2、96.2、92.8、95.9、96.8、96.3、95.9、92.6、95.6、99.2、95.8,94.6、99.5(单位%)。请按保证率95%计算该路段的代表压实度,并进行分析评定。[已知t0.95(n-1)/4=0.438,t0.975(n-1)/4=0.533]

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