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【多選題】
由于空氣阻力的作用，人造衛(wèi)星緩慢地靠近地球，則（ ）
A.
衛(wèi)星運動速率減小
B.
衛(wèi)星運動速率增大
C.
衛(wèi)星運行周期變小
D.
衛(wèi)星的向心加速度變大
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舉報參考答案：
舉一反三
【單選題】Where can you find a gift idea to improve your mother’s sleep?
A.
In Gift No. 1.
B.
In Gift No. 2.
C.
In Gift No. 3.
D.
In Gift No. 4.
【單選題】The underlined expression cutting edge in Paragraph 3 is closest in meaning to ______.
A.
advanced technique
B.
sharpening tool
C.
effective rule
D.
dividing line
【單選題】Buying gifts from Presents for Purpose allows mothers to________.
A.
enjoy good sleep
B.
give others help
C.
get extra support
D.
be well-organized
【單選題】What are you advised to do for your mother at doctor's visits?
A.
Be with her.
B.
Buy medicine.
C.
Take notes.
D.
Give her gifts.
【單選題】Why was Jennifer watched in an online exam?
A.
To correct her typing mistakes.
B.
To find her secrets in the room.
C.
To pr her form slowing down.
D.
To keep her from dishonest behaviors.
相關(guān)題目：
【單選題】Where can you find a gift idea to improve your mother’s sleep?
A.
In Gift No. 1.
B.
In Gift No. 2.
C.
In Gift No. 3.
D.
In Gift No. 4.
【單選題】The underlined expression cutting edge in Paragraph 3 is closest in meaning to ______.
A.
advanced technique
B.
sharpening tool
C.
effective rule
D.
dividing line
【單選題】Buying gifts from Presents for Purpose allows mothers to________.
A.
enjoy good sleep
B.
give others help
C.
get extra support
D.
be well-organized
【單選題】What are you advised to do for your mother at doctor's visits?
A.
Be with her.
B.
Buy medicine.
C.
Take notes.
D.
Give her gifts.
【單選題】Why was Jennifer watched in an online exam?
A.
To correct her typing mistakes.
B.
To find her secrets in the room.
C.
To pr her form slowing down.
D.
To keep her from dishonest behaviors.
參考解析：
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