1 . A BBC film crew was working on the remote Lord Howe Island for a new wildlife documentary called Drowning in Plastic. They filmed many birds that     1     (die) for no clear reason. After some research, they found out the truth—    2     caused the death of the birds was that their stomachs were literally too full of plastic. The documentary team also filmed biologists     3     (work) on the island to save the birds. The scientists captured hundreds of chicks and removed plastic from their stomachs to give them a chance of     4     (survive).

2 . Write an article based on the following information. Your writing should include the problem, the possible causes and solution.

With new life coming out in spring. everyone is expecting to enjoy beautiful flowers and fresh air. However, to our disappointment, the sky is always grey, the haze (雾霾) blankets everything…

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