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[主观题]

The fact that the mass of a particle is equivalent to a certain of energy means tha

t the particle can no longer be seen as a static object, but has to be conceived as a dynamic pattern, a process involving the energy which manifest itself as the particle’s mass.

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更多“The fact that the mass of a particle is equivalent to a certain of energy means tha”相关的问题

第1题

Digital NativesDavid is not very comfortable with new technology and he does not have ma

Digital Natives

David is not very comfortable with new technology and he does not have many gadgets. Lucy loves new technology. She owns a games console, an MP3 player, and a mobile phone with a built-in digital camera. David is a teacher. Lucy is his student.

Like Lucy, many children grow up using computers almost every day and often know more about technology than adults. Educator Marc Prensky calls children like Lucy “digital natives”. Digital natives can quickly learn how to use new gadgets and new software, while non-digital natives spend a lot of time reading manuals and worrying about computer viruses. In fact, many parents try to save time by asking their children to teach them how to use new technology!

The divide between digital natives and non-digital natives can cause problems at school because students and teachers grow up with very different ideas about technology. Many teachers think that playing computer games is a waste of time and that technology has made children unable to concentrate. However, many students think their classes are slow and boring, and want to use computers to study.

Prensky believes that digital natives have learned a lot from technology, but that they learn things in a different way. For example, reading a website is different from reading a book, so digital natives are good at finding the information they need and choosing what they want to read. So perhaps teachers need to change the way they teach and use more technology in class – because the number of digital natives will keep increasing!

1.David is a digital native.()

2.Marc Prensky is interested in teaching with technology.()

3.Digital natives are comfortable using laptops and flash drives.()

4.Many teachers think computer games are only for having fun or killing time.()

5.People read books and websites in the same way.()

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第2题

1A=()mA=()uA。
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第3题

____,I finished it yesterday.

A.As a matter of fact

B.As the matter of fact

C.As the fact of matter

D.As a fact of matter

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第4题

X.cite的球管最大管电流可达多少()

A.800 mA

B.1000 mA

C.1200 mA

D.1300 mA

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第5题

大众车载电网的剩余电流为多少时通常存在故障()

A.210 mA

B.100 mA

C.65 mA

D.15 mA

E.10 mA

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第6题

当飞行Ma∞≤0.3时称为(),当0.3<Ma∞≤0.85时称为(),当0.85<MA∞<1.3称为(),当Ma∞≥1.3时称为(),当Ma∞≥5.0时称为()。
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第7题

DC-7分机静态时耗电量不大于()

A.10 mA

B.12 mA

C.15 mA

D.20 mA

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第8题

人体的安全电流是交流电为()mA,直流电为()mA。
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第9题

跳频参数HSN、MA、MAIO、FN的含义及HSN、MA、MAIO取值范围。

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第10题

日K线在均线下方,往上依次分别为短期MA、中期MA、长期MA,则是多头排列。()
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第11题

开关箱安装漏电保护开关的漏电动作电流应为()以下

A.50~100mA

B.30 mA

C.100 mA

D.50 Ma

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