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【单选题】
A small metal cylinder rests on a circular turntable, rotating at a constant speed as illustrated in the diagram below.Which of the sets of vectors 1–5 below best describes the velocity, acceleration, and net force acting on the cylinder at the point indicated in the diagram?A.
1
B.
2
C.
3
D.
4
E.
5
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举一反三
【单选题】Choose the statemen which best explains the meaning of "LOL"
A.
abbreviation of "Laughing out loud"
B.
abbreviation of "Love our lives"
C.
abbreviation of "Lots of lies"
D.
abbreviation of "Lucky or lying?"
【单选题】According to the family tradition about food distribution, which of the following statements is NOT correct?
A.
Sara had less to eat than her elder brother.
B.
Sara's mother had less to eat than her father.
C.
Sara had more to eat than her elder sister.
D.
Sara's mother had less to eat than her brother.
【单选题】Which of the following is an effective specific purpose statemen?
A.
Communication is wonderful.
B.
To persuade my audience that the campus policy on student parking really stinks.
C.
To persuade my audience to donate time to the Special Olympics.
D.
Why do Chinese celebrate western festivals like Christmas?
【单选题】The reason for their unusual behavior. remains a puzzle.
A.
mystery
B.
fact
C.
statement
D.
game
【单选题】In relation to a guarantee accepted as security by a bank, which of the following statements is incorrect?______.
A.
The guarantor incurs primary liability.
B.
If the debt secured proves to be legally unenforceable, the surety nevertheless remains liable.
C.
If there is more than one surety, all must sign the guarantee before it is enforceable against any of them.
D.
None of the above.
【单选题】The story reveals a lot about the reality of the time. Which of the following statements is probably NOT TRUE?
A.
The climbing irons and plumber’s friends indicate the inadequacy of the character in dealing with the task ahead.
B.
“The sidewalks were full of dogshit in brilliant colors.” This unveils the ugliness of the real world.
C.
Some people were“cutting down trees…with power saw.”This hints at city expansion and industrial development.
D.
The glass mountain represents the typical architecture of modern society: the skyscraper.
【简答题】Many artists, writers and statemen achieve prosperity because _________________________________________.
【单选题】Which of the following inequalities is an equivalent algebraic expression for the statement below? 5 less than the product of 4 and a number n is greater than 28
A.
5-4n > 28
B.
23 > 4n
C.
28-4n > 5
D.
4n > 23
E.
4n-5 > 28
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