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【简答题】
和 是影响铸铁石墨化的主要因素。
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举一反三
【单选题】According to the passage, which of the following statements best describes the English language?
A.
It is outdated in grammar.
B.
It accepts new words from science.
C.
It tends to embrace new words.
D.
It has begun taking in new words.
【单选题】The English are mainly descendants of ______, who were a group of people that occupied lands stretching from the British Isles to Gallatia.
A.
Celts
B.
French
C.
Vikings
D.
Anglo-Saxons
【单选题】Why don't you _____ to improve your English? [ ]
A.
watch English-language TV
B.
watching English-language TV
C.
to watching English-language TV
D.
watched English-language TV
【单选题】能正确描述了数据封装的过程的是
A.
段->包->帧->比特流->数据
B.
比特流->段->包->帧->数据
C.
数据->包->段-帧->比特流
D.
数据->段->包->帧->比特流
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