（24-25高一下·广东深圳·期中）Oil leaks at sea create risks to sea life and people, and attempts to remove that oil tend to be challenging and costly and often fail to achieve desired outcomes. But scientists in China have found a new way to clean up that sticky pollution: cork (软木).
Past research has shown that cork could collect oil, but the process is too slow to seem promising, the problem of which is that oil is highly sticky, or thick. But oil gets thinner when it warms up, allowing it to more easily get into cork or stick to cork’s surface.
Yuchun He, leader of the research team, said they had been using lasers (激光) to carve patterns into wood, but they’d never tried carving cork before. When they did that, they found something unexpected: The cork darkened, suggesting it might be photothermal, which might allow the cork to be warmed up in light. And scientists assumed that tiny holes created by the laser might help the cork store more heat, the warmth of which can attenuate nearby oil, making it easier for the cork to adsorb (吸附) oil.
The treated cork is an example of something that is adsorbent, which can clean up a leak because the oil now sticks to its surface. Using cork materials as adsorbents can better separate oil and water, allowing people to recover some of the oil so that it can be used. Oil leaks can kill sea life, and today, to clean up a leak, sailors often remove oil from the water’s surface as they apply some harmful chemicals that aim to break down the oil.
The tests took place in a lab, so cork cleanup will need to be tested at sea to see if it works in real-world conditions. “After cork is harvested from a tree, it grows back in about 10 years. So far, no one has tested whether it can be reused. To my knowledge, there are almost no truly reusable oil-adsorbing materials. But even if cork isn’t either, it may still offer a preferred way to clean oil from the environment,” He said.
132．What prevented cork from being used for oil leaks?
A．Its unsteady state. B．Its low effectiveness.
C．Its limited accessibility. D．Its environmental impact.
133．What does the underlined word “attenuate” in paragraph 3 probably mean?
A．Thin down. B．Gather up. C．Bring out. D．Mix with.
134．What can be learned about the laser-treated cork?
A．It saves labor costs. B．It poses radiation threats.
C．It offers a greener choice. D．It has high economic value.
135．What does He imply about cork through his words?
A．It is highly productive. B．It is theoretically reusable
C．It holds promise in oil cleaning. D．It needs improvement for future use.
【答案】132．B 133．A 134．C 135．C
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