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【單選題】
物體在甲、乙兩地往返運動，從甲地到乙地的平均速度為v1，從乙地到甲地的平均速度為v2，則物體往返一次，平均速度的大小為（ ）
A.
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B.
![]()
C.
![]()
D.
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舉報參考答案：
舉一反三
【單選題】During the course of the speech it isn’t right for a speaker to________.
A.
think nothing of the audience
B.
speak in a loud voice
C.
take a short stop at times
D.
refer to the notes once in a while
【單選題】“Put yourself in their shoes as you prepare your speech.” means that while preparing your speech, you must ________.
A.
put your shoes aside and put on theirs
B.
try their shoes to see if they fit you
C.
wear the shoes with the same size as theirs
D.
try to imagine yourself to be in their position
【單選題】When he is giving his speech, the speaker is to ________.
A.
let his eyes rest to the subject
B.
follow the audience step by step
C.
face the audience in a natural way
D.
look up and down from time to time
【單選題】The main purpose of this passage is ________.
A.
to invite you to take part in the competition
B.
to tell you some information of the competition
C.
to help to improve your spoken English
D.
to show you how to win the competition
【單選題】Which title best gives the main idea of the passage?________.
A.
How to Remember the Audience?
B.
How to Improve One 's Speech?
C.
How to Prepare the Material for a Speech?
D.
How to Pick Out the Topic for a Speech?
相關(guān)題目：
【單選題】During the course of the speech it isn’t right for a speaker to________.
A.
think nothing of the audience
B.
speak in a loud voice
C.
take a short stop at times
D.
refer to the notes once in a while
【單選題】“Put yourself in their shoes as you prepare your speech.” means that while preparing your speech, you must ________.
A.
put your shoes aside and put on theirs
B.
try their shoes to see if they fit you
C.
wear the shoes with the same size as theirs
D.
try to imagine yourself to be in their position
【單選題】When he is giving his speech, the speaker is to ________.
A.
let his eyes rest to the subject
B.
follow the audience step by step
C.
face the audience in a natural way
D.
look up and down from time to time
【單選題】The main purpose of this passage is ________.
A.
to invite you to take part in the competition
B.
to tell you some information of the competition
C.
to help to improve your spoken English
D.
to show you how to win the competition
【單選題】Which title best gives the main idea of the passage?________.
A.
How to Remember the Audience?
B.
How to Improve One 's Speech?
C.
How to Prepare the Material for a Speech?
D.
How to Pick Out the Topic for a Speech?
參考解析：
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