The word "tip off" (Line 3, Para 4) mostly probably means " ______".
A. provide secrete information
B. threaten seriously
C. investigate carefully
D. defend secretly
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听力原文:M: I see by your application that you can type and take shorthand.
W: Yes, that's right. I am especially good at note-taking at meetings. I've been a secretary for years, so I won't let you down.
Q: What probably is the relationship between the man and the woman?
(2)
A. Driver and passenger.
B. Coach and player.
C. Employer and employee.
D. Interviewer and interviewee.
The passage is mainly about ______.
A. why computer criminals are often able to escape punishment
B. why computer crimes are difficult to detect by systematic inspections
C. how computer criminals manage to get recommendations from former employers
D. why computer crimes can't be eliminated
在我国,最广泛的基层政权是街道办事处。()
A. 正确
B. 错误
How much will the woman pay for these tickets?
A. $10.
B. $20.
C. $30.