【判断题】在标注尺寸时,尺寸数字一般应注写在尺寸线的上方,也允许注写在尺寸线的中断处
【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.
【单选题】( ) is an error detection code that most data communication networks use.
【单选题】列宁对马克思与恩格斯的评价记录在下列哪一本著作中?
【单选题】In a lucid dream we can use Morse code to communicate with others.