赞题库-背景图

单项选择题

Listen to the conversation and circle the appropriate letter. Which one is not mentioned as a threat to the mangroves seedlings

A．flood
B．storm
C．large population of rabbits

<上一题目录下一题>

热门试题

单项选择题According to the statement, the seedlings can be watered by________.

A．only freshwater
B．only sea water
C．both the freshwater and rain water

单项选择题The couple lives in someplace surrounded by mangroves.________

A．TRUE
B．FALSE
C．NOT GIVEN