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【判断题】
运输包装的主要作用是促进销售。 ( )A.
正确
B.
错误
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【简答题】《安全生产法》第二十五条规定，生产经营单位使用被派遣劳动者的，应当将被派遣劳动者纳入本单位从业人员统一管理，对被派遣劳动者进行岗位安全操作()和安全操作技能的教育和培训。
【单选题】Read questions 1 to10. Listen to the discussion twice. Then choose the correct answer for each question. I.4m40s.mp3: What does the term “viral video” mean?
A.
videos that spread computer viruses
B.
online videos that computer users send to each other
C.
online videos that are bad for computer users’ health
【单选题】Now you will hear a short conversation. Listen carefully and choose the best answer from the four possible choices. u05_2.1_10.mp3:
A.
60.
B.
70.
C.
85.
D.
86.
【单选题】mp3: Section B: Listen to the conversation. Choose the correct answer to question 6 to 10 Before makeing his change, Vincentworked_________
A.
in a restautant
B.
at a health club
C.
as a taxidriver
【单选题】Now you will hear a short conversations.Listen carefully and choose the best answer from the four possible choices. u04_2.1_10.mp3:
A.
Brother and sister.
B.
Teacher and student.
C.
Mother and son.
D.
Father and daughter.
【简答题】模拟信号数字化即脉冲编码调制(PCM)的三个基本步骤是()。 A. 信源编码、信道编码和数字调制 B.调制、解调和同步 C.编码、解码和压缩 D.取样、量化和编码
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