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Last weekend, my classmate and I went on a camping trip near the river. It was not long distance, so we chose to get here by bike.

We started with early in the morning. On the way, we talked about that we saw around. It takes about half an hour to get to the place. On arriving, some girls sat down, had her breakfast and listened to the birds sings. Some admired the river while others drew pictures. My friends and I found a quietly place and went fishing. To our surprise, we got much fishes.

Time passed so quickly and we had to say goodbye. I enjoyed the pleasant or exciting trip.

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Last weekend, my and I went on a camping trip near the river. It was not long distance, so we chose to get here by bike.

We started with early in the morning. On the way, we talked about we saw around. It about half an hour to get to the place. On arriving, some girls sat down, had breakfast and listened to the birds . Some admired the river while others drew pictures. My friends and I found a place and went fishing. To our surprise, we got fishes.

Time passed so quickly and we had to say goodbye. I enjoyed the pleasant exciting trip.

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Even if trees cannot walk, they are still on the move.

In parts of the Arctic, entire forests are moving northward. Across the Arctic, temperatures are rising faster than anywhere else in the world. As that happens, the tree line that marks where forests stop and the treeless tundra(¶³ÍÁµØ´ø) starts has been shifting northward. Trees growing along the tree line must protect themselves from the cold wind. To do this, plants tend to grow horizontal(ˮƽµÄ) branches low to the ground. The energy it takes for trees to grow this way means they don¡¯t have enough energy to make seeds.

But as Earth¡¯s climate has been warming, trees no longer have to just grow horizontally. Many can instead grow up toward the sky. This takes less energy. And with all the leftover energy. these trees have started producing more seeds. This happens especially in places where the white spruce(°×ÔÆÉ¼) grows.

White spruce, which is a North American tree, is quite able to produce a lot of seeds, which can move long distances in the wind. When wind-blown seeds end up on the tundra beyond the tree line, they eventually can sprout(·¢Ñ¿) new trees. This explains how a forest can move. Of course, the process would work only if the tundra were warm enough. But in recent years, the whole planet has been warming.

New trees will provide shelters for some snow, keeping the sun¡¯s rays from making the white surface disappear. Instead, the trees absorb the sun¡¯s heat. This warms the surrounding air. The extra warmth encourages even more trees to produce seeds. That further boosts a forest¡¯s ability to expand. In addition, more trees will trap more snow, preventing much of it from being blown away. Snow can trap heat in the soil below, which encourages trees to grow. The recent rise of temperature has helped more trees grow. The recent rise of temperatures has helped more trees grow past the tree line. People worry about impacts on the animals that depend on frozen conditions for food and shelter.

¡¾1¡¿What is the main cause of the trees in the Arctic moving northward?

A. The rising temperature.

B. The shrinking of northern tundra.

C. The fierce and cold wind.

D. The abundant resources in the north.

¡¾2¡¿What does the underlined word¡°this¡±in Paragraph 2 mean?

A. To produce more seeds.

B. To move northward.

C. To respond to the climate change.

D. To protect themselves from the cold wind.

¡¾3¡¿What can be inferred from the last paragraph?

A. New trees can trap the snow, which may make the soil colder.

B. The trapped snow prevents new trees from producing more seeds.

C. New trees can make the surrounding air warmer.

D. New trees can bring more food and shelter for local animals.

¡¾4¡¿The passage is most probably taken from _______.

A. a health report B. a science report

C. a fashion magazine D. a children¡¯s magazine

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Living in the city, people have certain widely acknowledging advantages. They enjoy various entertainments. Besides, there are many culture activities. Also, people in the city had access to better information service and educational facilities, and many problems exist. The overcrowded population, traffic jam and other issues may resulted in nervousness and diseases. As for the country life, the first feeling crowding our minds are peace and quiet. In the countryside, people live quiet life. They are exposed to less noises and pollution. The air in the countryside is a lot of fresher than that in the city. Of course, life in the countryside is not perfect, too.

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