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4 . In 1986, King Charles suggested talking to plants, a thought initially mocked but now supported by evidence that plants can detect, react to, and potentially produce sound.
Since plants have been evolving alongside the insects for hundreds of millions of years, Heidi Appel, a botanist and Reginald Cocroft, an entomologist wondered if plants might be sensitive to the sounds made by insects. The researchers recorded the vibrations (声音震动) from caterpillars (毛虫) as they chewed on leaves. Then the plants were exposed to the recorded vibrations while no caterpillars were actually present. The results were striking. Leaves that had been exposed had significantly higher levels of defensive chemicals, making them much harder for the caterpillars to eat. The research may have practical consequences, such as using drones armed with speakers to warn crops of pest threats, offering an eco-friendly alternative to chemical pesticides.
Further studies by ecologist Monica Gagliano reveal that plants, like pea plants, can “hear” water through sound, with roots responding to water-related vibrations even when the water is inaccessible. This finding could have implications for preventing damage to sewer (下水道) systems caused by plant roots. The assumption had been that it was leaks that attracted the roots. The solution, she says, might be to invest in pipes that are silent as water runs through them.
Additionally, the study by the team at Tel Aviv University revealed that plants under stress, due to factors like insufficient water or physical damage, make high-frequency sounds, which can be detected even in noisy environments. This opens possibilities for using microphones to monitor plant health in agriculture, potentially aiding farmers in identifying and addressing crop issues.
Despite some questions remaining to be solved, these fascinating discoveries cast new light on plants’ ability to perceive and respond to sounds in their environment. Plants live in a world full of sounds due to human civilization, and it is worth investigating this interesting aspect. Perhaps researchers might even seek funding from King Charles.
1. What was the original reaction to King Charles’s suggestion?A.Ambiguous. | B.Favourable. |
C.Indifferent. | D.Opposed. |
A.Introducing drones with speakers to farmers. |
B.Applying chemicals to enhance plant growth. |
C.Stimulating plants to release anti-pest chemicals. |
D.Developing new types of protective pesticides. |
A.To reduce noise pollution. |
B.To protect sewer systems. |
C.To improve water transportation. |
D.To attract plant roots to accessible water. |
P: paragraph
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The Ministry of Culture and Tourism recently unveiled 10 nation a-level Yangtze River themed tourist routes. Yichang city in Central China’s Hubei province,
Visitors can take a cruise from downtown Yichang to the tribe, enjoy traditional ethnic group singing and dancing, rub shoulders with inheritors of intangible cultural heritage and go
During the May Day holiday, Yichang received over 6.07 million tourists, with
Since the May Day holiday, the country
Lǎozìhào refers to the old and famous shops, which have always been reliable and trustworthy and still enjoy
These famous and time-honored shops, eg, Quanjude and Tongrentang,
But these shops are more about businesses; they are also a historical and cultural phenomenon. He
Nowadays, with the rapid development of economy and fierce competition in modern society, some Lǎozìhào shops have been keeping pace
10 . A mere four months ago, a black cat named Bounty had no idea just how adventurous his life was about to become. Although the cat was
One of their first adventures included a
Since that first cycling tour, Bounty and Doina have
The two of them have cycled the entire length of the Italian peninsula! If you’d like to
A.originally | B.temporarily | C.eventually | D.actually |
A.gave out | B.broke out | C.turned out | D.found out |
A.Shocked | B.Frightened | C.Embarrassed | D.Excited |
A.necessities | B.products | C.presents | D.fruits |
A.generous | B.creative | C.efficient | D.ambitious |
A.hotels | B.journeys | C.problems | D.vehicles |
A.skiing | B.hiking | C.flying | D.cycling |
A.accustomed | B.opposed | C.blind | D.sensitive |
A.cure | B.enjoy | C.protect | D.feed |
A.cried | B.ran | C.sang | D.slept |
A.offered | B.expected | C.finished | D.discovered |
A.bicycle | B.cat | C.tour | D.carrier |
A.protest | B.agreement | C.challenge | D.trust |
A.have fun with | B.put up with | C.keep up with | D.get along with |
A.helps | B.plans | C.orders | D.documents |