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Vinegar is great. It makes salad, fries and dumplings taste better, and you can even clean your windows with it. And now, according to scientists, it may even help the planet’s population survive climate change. Researchers from the RIKEN Center for Sustainable Resource Science (CSRS) in Japan proved that. They found growing plants in vinegar makes them more resistant to droughts. This could mean that in the future, worries about climate change affecting the world’s supply of food will be much lower.

The discovery was made after the researchers studied the Arabidopsis, a plant known for its ability to survive in dry weather. It was found that when the plant was placed in drought-like conditions, it produced a chemical called acetate (醋酸盐)—the main component of vinegar.

After discovering this, the scientists experimented further by adding acetate to the soil of other plants before they stopped giving them water completely. After leaving the plants for 14 days, they found that the ones treated with acetate had survived, while the untreated plants had dried up and died.

It’s hoped that this simple method of survival could soon be used to help farmers in dry countries keep their crops alive, “In the experiment, we targeted the staple foods of the world—rice, wheat and maize... and proved successful” Jong Myong Kim, co-author of the study, told Popular Science magazine.

Kim has already been in touch with people around the world who are interested in trying this simple and cost-effective method out for themselves from farmers to companies and amateur gardeners. “Now we are trying to cooperate with them to make a method to apply this system, and make the process as simple as possible,” he said. Hopefully this means the end of hunger caused by bad weather in the future.

1.What does the underlined word “that” in paragraph 1 refer to?

A. Vinegar may help creatures survive bad weather.

B. Vinegar is found in plants by Japanese scientists.

C. Vinegar is very useful for cooking a good meal.

D. Vinegar is mainly used by people to clean houses.

2.Scientists in Japan find from their studies that ________.

A. the acetate can be used by farmers to replace the soil

B. the plants treated with acetate could survive dry conditions

C. soil condition could be changed by pouring vinegar continually

D. the Arabidopsis could survive in dry weather because of the shape

3.What can we infer from the last paragraph?

A. How to decrease the cost is the main issue.

B. Keeping plants alive means a lot for scientists.

C. The method is promising especially in agriculture.

D. It’s too difficult for farmers to accept the method.

4.Which of the following can be the best title for the text?

A. Vinegar and Food   B. Plants Need Water

C. Japanese Scientists Find a Plant   D. Vinegar Could End Hunger

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