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说明分级配风直流燃烧器的配风原则，喷口布置特点及该燃烧器适用的煤种。这种形式的燃烧器如何保证适用煤种的

良好燃烧？

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更多“说明分级配风直流燃烧器的配风原则，喷口布置特点及该燃烧器适用的煤种。这种形式的燃烧器如何保证适用煤种的”相关的问题

第1题

To trace back the origin of opera, it actually derived from Greece.

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第2题

The origin of western drama may trace back to _____________________.

A、ancient Greece

B、ancient Roman

C、Aristotle

D、Medieval drama

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第3题

is praised as “the origin of all operas”.

A．Beijing Opera

B．Yu Opera

C．Yue Opera

D．Kun Opera

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第4题

American scholars generally trace the origin of intercultural communication to（).A、c

American scholars generally trace the origin of intercultural communication to().

A、cultural anthropology

B、sociolinguistics

C、comparative education

D、philosophy

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第5题

The Opera in Italia found its origin in the Roman Empire.

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第6题

The earliest history of Traditional Chinese Opera could be traced back to the “Jiaodi Opera” in the （)

A、Han Dynast

B、Qin Dynasty

C、Zhou Dynast

D、Tang Dynasty

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第7题

To trace the ______ of the Irish problem, we have to go back over three hundred years.A．bi

To trace the ______ of the Irish problem, we have to go back over three hundred years.

A．birth

B．infancy

C．ancestry

D．origin

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第8题

The early presence of Chinese-Canadian writing could trace back to “wall writing” in immigration stations.

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第9题

_____ is the focal point in an opera house？

A、The stage

B、The orchestra pit

C、The auditorium

D、The back stage

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第10题

Villagers can trace their ancestry （祖先) back to those who ________ in the cliffs

A．hesitated

B．dwelled

C．retained

D．lingered

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