单项选择题

Which of the following is NOT a possible reason for whales dying（）

A．Pneumonia.
B．Brain infection.
C．Over-population.
D．Over-eatin

<上一题 目录 下一题>
热门 试题

单项选择题
About how many more whales have been sighted in the San Francisco Bay this year compared to last year（）

A．Twice as many.
B．Three times as many.
C．Half as many.
D．About the sam
单项选择题
（）has warmed the waters off AlaskA．

A. El Nino
B. The sun
C. Over-population
D. Pressure
相关试题