6kV FS型避雷器大修后,工频放电电压范围应为( )kV。A.9~11 B.16

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问题:

6kV FS型避雷器大修后,工频放电电压范围应为( )kV。

A.9~11

B.16~19

C.15~21

D.26~31

考点:职业技术鉴定四级职业鉴定电气装置和设备的安装与运行
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(5分)下图是动物细胞的基本结构模式图,请据图回答问题。

(1)能控制物质进出的结构是[①]             

(2)内有遗传物质的结构是[ ]           

(3)能进行呼吸作用,产生能量的结构是[④]           

(4)进行生命活动的重要场所是[②]          

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决定社会经济制度变革的基本规律是

A.生产关系一定要适合生产力状况的规律

B.上层建筑一定要适合经济基础状况的规律

C.价值规律

D.阶级斗争规律

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Yoga(瑜伽)is an ancient practice that helps create a sense of union in body, mind, and spirit. It brings us balance. After a long time of practice yoga, you no longer just practice it — you love it.

Yoga becomes part of your physical life. Your body grows stronger, more toned(有弹性的), and more flexible as you move from one pose to another. I spent a week in Mexico at a yoga retreat, and it was the first vacation on which I lost weight. “Rather than building muscles, yoga builds muscle tone,” says Shakta Kaur Khalsa, author of KISS Guide to Yoga. “Because yoga helps maintain a balanced metabolism(新陈代谢), and it also helps to control weight. Additionally, yoga stretches muscles lengthwise, causing fat around the cells disappear, thus losing weight.”

I do yoga poses throughout the day. After hours at my computer, I stretch my stiff shoulders and arms. When I need an increase in energy, I do energizing poses. When I am feeling exhausted at the end of the day, I do restorative(恢复体力的)poses.

Yoga becomes part of your mental life. Yoga teaches you to focus on breathing while you hold the poses. This attention to breath is calming; it dissolves(使消除)stress and anxiety. I use yogic breathing on the tennis court, in the dentist’s chair, and when I’m stuck in traffic.

You should always leave a yoga practice feeling energized, but not tired. If you feel tired after yoga, it means you spent the time “fighting” yourself, trying to force yourself into poses. In yoga, you “surrender” to the poses by letting go of the tension.

64. What will be talked about if this passage continues?

A. Yoga is becoming part of your spiritual life.

B. Yoga is becoming popular all over the world.

C. The disadvantages of yoga.

D. Encouraging people to do yoga.

65. According to the second paragraph, yoga can help people ___.

A. grow tall             B. lose weight C. be flexible in thinking     D. make friends

66. Why does a person feel tired after yoga?

A. Because when practicing yoga, people will consume a lot of energy.

B. Because he or she surrenders to the poses by letting go of the tension.

C. Because yoga doesn’t benefit all the people.

D. Because he or she doesn’t do yoga poses naturally.

67. What would be the best title for this passage?

A. What’s yoga?                                         B. How do I do yoga poses?

C. The benefits of yoga.                           C. The varieties of yoga.

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省煤器有中间集箱经()根吊挂管至省煤器上集箱

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我国是一个统一的多民族国家,在历史上有过分裂,但统一始终是历史发展的主流,维护祖国统一是中华儿女永恒不变的追求。

请你根据所学知识,回答下列问题:

我国历史上第一个统一的中央集权的封建国家是哪一个朝代?建立者是谁?

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