What feature of rap music is enjoyed most by many young people？
A. Its sound.
B. Its origins.
C. Its beat.
D. Its instruments.
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A tall building has been set up in______was a wasteland ten years ago.
A. what
B. where
C. which
D. that
有m个叶子结点的哈夫曼树所具有的结点数为()。
A. m
B. m+1
C. 2m
D. 2m-1
According to Jose Martinez, the Spanish fast food business
A. is different from that of the U. S.
B. has slowed slightly in its rate of growth.
C. employs an increasing number of women.
D. is experiencing a hard time.
33≤n≤0.75对应的爆破种类为()。
A. 减弱抛掷爆破
B. 松动爆破
C. 标准抛掷爆破
D. 药壶爆破
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