Which of the following factors is NOT relevant to your success as a speaker（）
A. Your manner of speaking
B. Your circle of friends
C. Your personal credibility
D. Your knowledge of subject
查看答案
According to Confucius,________ would be considered to be filial（）
A. to provide enough food to parents
B. to let parents travel around the world
C. to give parents a lot of money
D. to provide parents with enough food and show respect to them as well
QPSK、OQPSK、π/4-DQPSK中，旁瓣衰减由快到慢的顺序为（）
A. QPSK π/4-DQPSK OQPSK
B. OQPSK QPSK π/4-DQPSK
C. π/4-DQPSK QPSK OQPSK
D. OQPSK π/4-DQPSK QPSK
Elle aime dessiner les gens qui（）
A. l’entourent
B. l’entoure
C. lui entourent
D. lui entoure
Je n’en ai jamais（）
A. entendu parler
B. entends parler
C. entendu parlé
D. entendu parle
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