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【简答题】
砂浆搅拌时间应符合下列规定:水泥砂浆和水泥混合砂浆不得少于__,水泥粉煤灰砂浆和常用外加剂的砂浆不得少于__,掺用有塑化剂的砂浆应为__。
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举一反三
【简答题】In a lucid dream we can use Morse code to communicate with others.
【单选题】is an error detection code that most data communication networks use。
A.
CRC
B.
Manchester Code
C.
Huffman Code
D.
4B/5B Code
【单选题】is an error detection code that most data communication networks use。
A.
Cyclic Redundancy Code
B.
Manchester Code
C.
Huffman Code
D.
4B/5B Code
【单选题】Why does the author use the example of Pamela speaking Portuguese?
A.
To show code switching to create closeness between speakers.
B.
To show code switching to create social distance.
C.
To show code switching with a dialect of a language.
D.
To show code switching by an immigrant to the U.S.
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