通过市场提取法求出的估价对象建筑物的年折旧率为2%,则由此估计估价对象建筑物的经济寿命为40年。()
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A.battleB.attackC.fightD.loss
A. battle
B. attack
C. fight
D. loss
种群特征表现为()。
A. 出生、生长、发育、衰老及死亡等
B. 出生率、死亡率、年龄结构、性别比、社群关系和数量变化等
C. 每一个体皆具备同样的特性
D. 在随时间变化的过程中,生物种群具有发展和演变的动态特征
现有A、B、C三桶油,先把A的1/3倒入B桶,再把B桶的1/4倒入C桶,最后把C桶的1/10倒入A桶,经这样操作后,三桶油都为90升。问A桶原来有油多少升?()
A. 90升
B. 96升
C. 105升
D. 120升
A.They didn't talk at all.B.They decided to go by plane.C.The plane failed to take off
A. They didn't talk at all.
B. They decided to go by plane.
C. The plane failed to take off.
D. They weren't able to take a walk.