单项选择题

Listen to the statement and circle the appropriate letter. What is the trend of the kelp forest in the future

A．increasing
B．declining
C．keeping balance
<上一题 目录 下一题>
热门 试题

填空题
The harvest carried out by non-native people is __________ .
单项选择题
What is the topic of this statement
A．the impact of human activities on environment
B．the impact that a species’ extinction has on others
C．species conservation
相关试题