单项选择题

Summer camps in the area will

A．be designed for foreign visitors.
B．be educational.
C．attract scientists and ecologists.
D．house field labourers and their families.
<上一题 目录 下一题>
热门 试题

单项选择题
According to marine ecologists, transplanted marine species
A．may upset the ecosystems of coastal waters.
B．are all compatible with one another.
C．can only survive in their home waters.
D．sometimes disrupt shipping lanes.
单项选择题
The identified cause of the problem is
A．the rapidity with which larvae mature.
B．a common practice of the shipping industry..
C．a century-old species.
D．the worldwide movement of ocean currents.
相关试题