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【判断题】
一质点的运动方程为 , b为正常数,则质点的轨迹方程为A.
正确
B.
错误
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【单选题】As the Beatles represent the most important English contribution to rock in the 1960's, Bob Dylan is the most important American contributor. This is true in spite of the fact that he has never reache...
A.
has more influence on rock music
B.
has sold fewer records of his songs
C.
is more important in the record industry
D.
is less important in American rock
【单选题】What does Jacob’s ladder represent?
A.
Ascendance to heaven
B.
Transcendence
C.
Uplifting one’s social status
D.
Connection between heaven and earth
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