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【简答题】
关系数据库中基于数学上两类运算是 和
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举一反三
【单选题】Tattoo was believed to be created______.
A.
together with biker gangs and rock 'n' roll bands
B.
in 1991 when a mummy was discovered
C.
firstly in Southeast Asia by 2,000 B.C.
D.
by Egyptians and Nubians
【简答题】The new music was built out of materials already in______. (exist)：blues，rock'n'roll，folk music.
【单选题】自古以来,三七名称的来源很多,但从现代的研究和观察结果来看,除李时珍外其他说法均不可信,下列说法可信的是( )。
A.
彼人言其叶左三右四,故名三七,盖恐不然。
B.
三七恭城出,其叶七茎三故名。
C.
其叶头台三张、二台四张、故名三七。
D.
三至七年收获而名。
【单选题】what was Elvis' title in the field of Rock-n-Roll?
A.
the king of Rock-n-Roll
B.
mainly African-American performers
C.
the movement of his hips in a suggestive manner
D.
the Beatles were more popular than Jesus Christ
E.
their very loud stance on drug use and war
【单选题】Tattoo was believed to be created ______.
C.
together with biker gangs and rock 'n' roll bands B．in 1991 when a mummy was discovered C．firstly in Southeast Asia by 2,000 B．C．
D.
by Egyptians and Nubians
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