Compared with analog signal process, the advantage of digital signal process includes（）
A. The accuracy of the DSP is more guaranteed
B. The DSP system is corresponding to multiple functions
C. The DSP has better reliability and repeatability
D. The DSP has faster processing speed
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In an actual communication system, the input and output signal forms in the digital signal processing （DSP） module are usually respectively（）
Analog signal, Digital signal
B. Digital signal, Analog signal
C. Analog signal, Analog signal
Digital signal, Digital signal
Which of the following about phonological items is RIGHT（）
All the phonological items are not isolated from each other, but are of the equal importance
B. Generally speaking, sounds are equal to letters
C. English consonants can be classified according to the manner of articulation
D. Fluency is the most essential measurement of pronunciation
When designing pronunciation activities, teachers should ______first（）
A. think about the purpose of the activities and meet students’ needs
B. provide students with sufficient learning materials
C. consider the order of presentation and create a learning context
D. focus on phonological knowledge
If a student pronounces a word wrongly, teacher should______（）
A. be more careful to adopt the proper methods to correct student’s error
B. ignore it so as to keep the fluency of communication
C. point out the error directly and correct it quickly
D. criticize the student because of the mistake
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