Helen borrowed my book _______, saying that she would return it soon.

A．day in and day out

B．day by day

C．some other day

D．the other day

读海洋资源图回答问题；

（1）海洋污染有：A______B______C______D______．

（2）在开发海洋石油资源时，一定要有______的措施，以保护______和海洋生物资源．

（3）我国______、______、______被列为海洋管理三大示范区．