求大神告诉我这道英语题的答案在线等。。。急急急,谢谢!

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在波浪下的麻烦正在酝酿之中,生物学家们报告说,海洋疾病正在上升,海洋中的居民鱼、哺乳动物、植物和无脊椎动物都受到了痛苦的折磨。

Trouble is brewing beneath the wave.Biologists report that marine diseases are on the rise,and the ocean's inhabitants-fish,mammals,plants,and invertebrates alike-are suffering.

没了人知道海洋疾病的确切愿因,但人类活动无疑起到了作用,未经外理的污水被认为是愿因有毒藻类的暴发,如鱼造成的工业废物如果愿因沿海城市的鱼经常突然出现皮疹。

nobody knows the exact cause of the ocean diseases,but human activity undoubtedly plays a role.Untreated sewage is thought to feed outbreaks of toxic algae,such as the fish-killing industrial waste may be responsible for the rash of tumors seen in fish around coastal cities.