内容包括：1.野生动物灭绝的原因（栖息地的破坏；寻求其皮毛等）
2.保护措施（严惩非法捕杀；建立自然保护区；唤醒人们的保护意识等）
注意：1.词数100左右；
2.可适当增加细节，使行文连贯。
提示词：自然保护区natural reserves 捕猎者 hunter
Dear fellow students,
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The Students Union
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Since the dawn of civilization, crop diversity has always been holding an important position as the foundation of agriculture. Food plants have been domesticated, selected, exchanged, and improved by farmers in traditional ways, within traditional production systems. This process has been hugely accelerated and focused by scientific crop improvement, leading to the steady rise in yields since the 1960s. Half of the increase in food production globally can be attributed to genetic improvement.
But experts say the number of crops has decreased sharply during the past century. One of the world’s largest seed conservation projects has predicted further losses. The Millennium Seed Bank Partnership is warning that up to one hundred thousand plant species could permanently disappear. The rich collection of genes that decide their qualities would disappear with them.
Many experts blame climate change for damaging plant life. Rising temperatures, changing seasonal patterns and increasing frequency of extreme weather events are the invisible hand behind the great reduction. Others say human activities and poorly planned, overly heavy use of land also are responsible. The United Nations Food and Agriculture Organization says modern business farming is responsible for loss of farmers’ traditional crop varieties. Though the use of modern commercial farming methods saved millions of people from starvation, some traditional crops were lost during the process.
More recently, the UN Sustainable Development Goals have called for global efforts to highlight the protection and revival of crop diversity as an important means to ensure that crop diversity is conserved and made available for food and nutritional security to feed the increasing population of our planet. On top of the agenda is to maintain the genetic diversity of seeds and cultivated plants through soundly managed and diversified seed and plant banks at the national, regional and international levels. Equally important, more government funds be channeled into rural infrastructure, agricultural research and extension services, technology development and plant gene banks in order to enhance agricultural productive capacity in less developed countries.
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When I was 19, I spent part of my summer at an adventure camp on Vancouver Island, supervising (照料) a group of 10-year-old girls. Towards the end of the first week, I took them on a camping. By six in the evening, we’d climbed a small mountain. The peak had trees on one side and bald rock on the other. I let the girls play in the wooded area while I arranged things for dinner.
When the screaming started, I wasn’t too alarmed-I could see my group tearing through the bush and thought they’d just disturbed a bees’ nest. As the first girl appeared, I asked what was going on. “Wildcat!” she gasped. The image in my head was of a house cat gone wild, but with her next breath she added, “It’s attacking Alyson.” I told the girls to climb on to the rocks and then ran to where they’d been playing. Alyson was lying by bush. She was on her back, eyes wide, staring at a huge cat beside her. The cat was watching me.
Anyone familiar with westerns will have seen a cougar (美洲狮) — the mountain lion that springs from the rock face on to the passerby. We’d been told how to deal with bears: “Keep still, back up, make yourself look big.” But we hadn’t covered cougars. I grabbed a stick and swung it into the animal’s face. Startled, it took off into the bushes.
Seeing that Alyson was hurt, I set off for the first-aid box, but hadn’t gone four steps when I heard a moan. Turning back, I saw the cougar crouched (蹲伏) by Alyson’s head. It appeared to be eating her. This time I used a bigger stick, hit harder and held on. Once again, it disappeared, and I knelt by Alyson.
“There’s no way someone can live through this,” I thought. The cat had torn deep into her neck. She had long cuts on her face. “Am I going to die?” she asked. Her heartbeat was racing but weak, the sign of a heart trembling from shock.
注意：
1.所续写短文的词数应为150左右；
2.至少使用5个短文中标有下划线的关键词语；
3.续写部分分为两段，每段的开头语已为你写好；
4.续写完成后，请用下划线标出你所使用的关键词语。
Paragraph 1:
“You’re not going to die,” I said.
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Paragraph 2:
From my branch I could see some people moving on a nearby mountain.
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I was invited to a cookout on an old friend’s farm in western Washington. I parked my car outside the farm and walked past a milking house which had apparently not been used in many years. A noise at a window caught my attention, so I entered it. It was a hummingbird (蜂鸟), desperately trying to escape. She was covered in spider-webs (蛛网) and was barely able to move her wings. She ceased her struggle the instant I picked her up.
With the bird in my cupped hand, I looked around to see how she had gotten in. The broken window glass was the likely answer. I stuffed a piece of cloth into the hole and took her outside, closing the door securely behind me.
When I opened my hand, the bird did not fly away; she sat looking at me with her bright eyes. I removed the sticky spider-webs that covered her head and wings. Still, she made no attempt to fly. Perhaps she had been struggling against the window too long and was too tired? Or too thirsty?
As I carried her up the blackberry-lined path toward my car where I kept a water bottle, she began to move. I stopped, and she soon took wing but did not immediately fly away.
Hovering (悬停), she approached within six inches of my face. For a very long moment, this tiny creature looked into my eyes, turning her head from side to side. Then she flew quickly out of sight.
During the cookout, I told my hosts about the hummingbird incident. They promised to fix the window. As I was departing, my friends walked me to my car. I was standing by the car when a hummingbird flew to the center of our group and began hovering. She turned from person to person until she came to me. She again looked directly into my eyes, then let out a squeaking call and was gone. For a moment, all were speechless. Then someone said, “She must have come to say goodbye.”
注意：1. 续写词数应为 150 左右；
2. 请按如下格式在答题纸的相应位置作答。
A few weeks later, I went to the farm again.
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