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Yesterday I visit the Hong'en Temple Park with my friends. The park was full of beauty flowers. When I were enjoying the wonderful scenery, something unpleasant caught my eye. A young couple on the grass were eating, talking and laughing loud as if they were the only people in the world. What's worse, they even threw rubbish onto the grass, without see the sign "No littering” nearby. What a shame!
Such behavior left me in thought. If all visitors do as the young couples did, the park will be severely polluting and soon turned into a huge dustbin. I think both of us should mind our behavior in the public places. Only in this way can we live more comfortable and beautiful surroundings.
2 . It is reported that half the world’s forests have already been destroyed. This widespread destruction is due to deforestation (采伐森林). Deforestation is the removal of a forest or group of trees where the land is later transformed to a non-forest use. Cutting down trees is necessary for man’s survival. However, deforestation has a number of negative effects on the environment and needs to be controlled.
There are two main purposes for cutting down trees and one of them is to use the trees as resources. Essential items like paper, furniture and charcoal are all made from trees. Deforestation is also carried out to clear land for farming and to make room for roads and houses. As the population grows, more of the forest has to be cleared.
Although deforestation is necessary up to a point, it has some negative effects on the environment. Firstly, cutting down forests destroys animal habitats, leaving them with no place to live in. Deforestation also allows erosion to occur, which leaves the land easy to landslides and makes it difficult for plants to grow there. Finally, the removal of trees also worsens air pollution. Trees act as natural air filters that change carbon dioxide into oxygen. When they are removed, carbon dioxide can build up and pollute the atmosphere. Hence, it is obvious that deforestation harms the environment.
Due to the harm deforestation causes, it is necessary to control it. There are a number of ways to do this. One of them is to make better use of farming land. That means we do not need as much land for farming, and hence do not need to cut down so many trees. There must also be laws to limit deforestation and these laws must be enforced strictly. On top of that, reforestation must be carried out systematically. This method involves planting new trees and plants in areas where deforestation has occurred to replace what was destroyed.
To sum up, although deforestation must be carried out, it can harm the environment and must be controlled. Beyond a certain point, this damage to the environment cannot be fixed. Hence, we should do our best to make sure that the damage is never too great to fix.
1. What is the second paragraph mainly about?| A．How people get farmland. |
| B．What trees mean to human beings. |
| C．Why people carry out deforestation. |
| D．What effect deforestation has on environment. |
| A．Homelessness. | B．Extinction. | C．Disease. | D．Wars. |
| A．By replacing new trees. | B．By banning deforestation. |
| C．By passing laws to limit farmland. | D．By making the best of farmland. |
| A．Carbon dioxide will pollute the atmosphere. |
| B．There will not be any forest left in the world. |
| C．The damage to the environment will be beyond repair. |
| D．People will have no trees as resources for essential items. |
3 . Catch your reusable bag and kiss your plastic bags goodbye. Plastic waste is on its way out, thanks to these governmental bans from around the world.
From Indiana to Maine, governments at all levels in the US are forcing bans and improving recycling. People are shopping smarter and companies are doing better to ensure the protection of our environment. Slowly but surely, the world is entering a brighter future as more and more countries follow. But there’s still a lot of work to be done—or undone.
Since the 1950s, researchers say that about more than 8.3 billion tons of plastic has been produced. And 60% of that waste has ended up in the environment. That number has increased quickly over the years. For example, it was recorded that the world’s plastic production doubled from 1976 (50 million tons) to 1989 (100 million tons). It was highest at 368 million in 2019 before decreasing to 367 million in 2020.
A million tons decrease of plastic production is not enough to deal with the rising pressures plastic puts into the environment. We still do not know how long it takes for plastic to breakdown. It means that about 12 million tons of plastic waste that entered the ocean in 2010 is still breaking into micro plastics and filling up the stomachs of birds and sea animals. The plastic going into our environment is not going away. While recent studies of plastic-eating enzymes and bacteria offer some hope for the future of plastic waste management, the best way to deal with our environmental stress is through decrease.
In 2020, New York City began to ban plastic bags. But this wasn’t the first plastic bag ban in a US state. In fact, the US wasn’t even the first country to introduce this idea. Back in 2002, Bangladesh became the first country to implement a plastic bag ban. Since then, other countries have followed, introducing their own ways to fight with the continuing plastic bags.
1. What do we know about plastic waste?| A．We have completely cleaned it up | B．It is hardly increasing all over the world. |
| C．We have done nothing to deal with it. | D．There is a long way to solve the problem of it. |
| A．More than 8.3 billion tons. | B．About 5 billion tons. |
| C．About 100 million tons. | D．Less than 368 million tons. |
| A．It doesn’t take long to breakdown it | B．Sea animals can be eating most of it. |
| C．Some enzymes and bacteria help a lot. | D．Cutting plastic waste down is still the best way. |
| A．Carry out. | B．Keep up. | C．Look at. | D．Take away. |
4 . Pumpkins (南瓜) have all shapes and sizes and have colors of golden orange, white and green. Cooked in a pie, they are symbols of autumn that are grown in every county of Washington.
U.S. farmers grow more than a billion pounds of pumpkins every year, and many famers use sheets (膜) of plastic blocking the grass and preventing water loss to make their plants grow well. In the country, farmers use about a billion pounds of plastic every year. Unfortunately, that plastic is thrown away finally, and in some areas, burned in the fields.
For several years, Carol Miles has studied a new product—the soil-biodegradable (土壤生物降解的) plastic cover that can be left in the ground after harvest, then broken down by things in the soil. “You don't need to pull it out of the field and throw it away every autumn, saving time and money,” Miles said.
Most pumpkins grow along vines (藤蔓) that spread through the grass-blocking cover, and Miles wanted to see how pumpkin fruit performed over the plastic cover. That brought a challenge: the soil-biodegradable cover stuck to the bottom of the fruit.
“We have a lot of dew (露水) in the morning, and we found that if we let the fruit dry after harvest, the cover would stick more strongly to the pumpkins,” Miles said. “Nobody wants plastic stuck to pumpkins, even if it's biodegradable. But if you wipe the fruit before the dew dries, the plastic comes right off.”
Farmers who grow plants that don't set fruit on plastic covers won't meet this challenge. For those who do, it means an extra step that they'll have to weigh against advantages and disadvantages for the development.
“Challenges aside, working with this crop can bring on a happy picture,” the farmer Tymon said. “Pumpkins are great. They have bright colors, and are really fun to work with.”
1. How did farmers deal with the sheets of plastic in old farming method?| A．They collected them and recycled them. |
| B．They burned them or threw them away. |
| C．They covered them under the ground. |
| D．They broke down them and buried them in the soil. |
| A．It prevents water loss. |
| B．It blocks the grass. |
| C．It is stuck to pumpkins easily. |
| D．It's environment-friendly. |
| A．Let the pumpkins break down plastic sheets. |
| B．Wipe the dew from the plastic cover. |
| C．Clean the pumpkins when they're wet. |
| D．Put some powder on the plastic sheets. |
| A．Balance against. | B．Fight against. |
| C．Remove. | D．Measure. |
