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【简答题】
煤尘爆炸的条件是什么？
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皮皮学刷刷变学霸
举一反三
【判断题】The writing system of a language is always a later invention used to record speech,thus there are still many languages in today's have no .... ()
A.
正确
B.
错误
【简答题】The writing system of English is known as the sound writing system while that of Japanese as ______ writing system.
【单选题】Braille, the universally accepted system of writing used by blind persons, consists of sixty- three characters.
A.
catalog
B.
method
C.
committee
D.
punctuation
【单选题】Which of the following statements is most accurate concerning the Egyptian system of writing?
A.
It was referred to as Linear.
B.
It was primarily pictographic.
C.
It was done on clay tablets.
D.
The Egyptians failed to develop a system of writing.
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