下列关于顺序存储结构叙述中错误的是( )。
A.存储密度大B.逻辑上相邻的结点物理上不必相邻C.可以通过计算直接确定第i个结点的存储地址D.插入、删除运算操作不方便
参考答案:B
Just in front of our school _____ [ ]
A. stand many tall buildings
B. do many tall buildings stand
C. many tall buildings stand
D. are many tall buildings standing
嘧啶核苷酸生物合成时CO2中的碳原子进入嘧啶环的哪个部位()
A.C2
B.C4
C.C6
D.C5
E.没有进入