当洪水位有可能超过某一堤段的（）时，为了防止洪水漫溢，应在堤_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题填空题

当洪水位有可能超过某一堤段的（）时，为了防止洪水漫溢，应在堤顶抢修子埝，并力争在洪水到来之前完成。

答案

参考答案：堤顶

选择题

28. The farm as well as its neighboring hills we once spent so much time ____ on a new look as recently as last year.

A．on having taken

B．has taken

C．on has taken

D．having taken

单项选择题

斑蝥的功效是（）。

A.攻毒蚀疮，破血散结

B.通络散结，消肿定痛

C.解毒杀虫

D.明目去翳