单项选择题

A．It’s amazing that anyone could move so fast.
B．Televisions mark the beginning of modem life.
C．Modern life is changing very fast.
D．It’s hard to remember the past.
<上一题 目录 下一题>
热门 试题

单项选择题
Why is the close planting of trees of the same species avoided in modern orchards and forests
A．Because mixed forests and orchards are the recognized procedures these days.
B．Because trees of same species may cause the spread of disease.
C．Because modern orchards and forests are more specialized.
D．Because trees planted crowdedly do not have enough room to develop their roots.
单项选择题
The number of the bellbird in New Zealand got controlled by ______.
A．the decrease in distribution
B．human predation
C．deliberate introduction of its enemy animal
D．spread of certain kind of disease
相关试题