下列有关丘陵的高度的说法正确的是( )
A.有起伏,但坡度缓和
B.海拔高,但相对高的低
C.峰高谷深,坡度陡峻
D.按一定走向,有规律分布
丘陵有起伏,但坡度缓和.根据题意.
故选:A.
---What happened to the house ?
---It _____burnt to the ground.
A is said to having been B. is supposed to have been
C is reported to have been D. is believed to have
在指令编码设计过程中,虽然有最优化的编码方法,但人们仍采用
A.ASCII码进行指令编码
B.BCD码进行指令编码
C.哈夫曼码进行指令编码
D.等长扩展码进行指令编码