Câu 1
Read the following extract and mark the letter A, B, C or D to indicate the option that best fits each of the numbered blanks from 1 to 6.
In the process of figuring out how to deal with the global plastic crisis, researchers (1) ______ a breakthrough discovery that shows caterpillars can eat and digest plastic, which accounts for around 40% of (2) ______ and endangers marine life. (3) ______ having tiny bodies, these creatures possess bio-degrading abilities that can break down polyethylene, the main component (4) ______ up the form of plastic. So far, humanity has (5) ______ a large quantity of plastic; furthermore, millions of plastic bags are consumed every day. Most of these bags are thrown out and end up on landfill sites, which results in a rise (6) ______ the amount of plastic in the environment. It is thus expected that this discovery can greatly contribute to humans’ attempts at cutting down plastic pollution all over the world.
Đáp án và lời giải
Đáp án: B