题目内容
As consumers, we should be careful not to ______ the tricks of advertisers.
A. care for B. fall for
C. ask for D. answer for
B
培优好卷单元加期末卷系列答案
一线名师权威作业本系列答案RESOURCES BELONG TO THE SOCIETY
When I arrived in Hamburg Germany, my colleague who worked there arranged a welcome party for me in a 36 . We noticed a few customers including several old ladies, were having their meal. When a dish is 37 , the waiter would distribute the food for them, and they would 38 every bit of the food on their plates.
As I was hungry, my local colleague 39 much food for me. Since there were other things to do, we did not 40 much time dining. When we planned to leave, there was still about one third of 41 food left. When we were leaving the restaurant, we 42 someone calling us. When the old ladies spoke to us in English, we understood that they were 43 about us wasting so much food.
“We 44 for our food; it is none of your 45 how much food we left behind”, my colleague told the old ladies. They got angry, and one of them 46 made a call to someone. After a while, an officer in 47 arrived. Upon knowing what had happened, he issued us a 50-euro 48 . The officer told us in a stern（严厉的）voice: “order 49 you can consume. Money is yours, 50 the resources belong to the society. You have no 51 for wasting them.” Our face turned red. We all agreed with him in our 52 . My colleague took out a 50-euro note and repeatedly 53 to the officer.
My colleague copied the fine ticket and gave a copy to each of us as a souvenir. We all 54 it to remind us that we should never be 55 .
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ABCD请按实际情况填写。其他请参照下表填写。
A, B, C, D, E(AB), F(AC)
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A. Control of Respiration B. Basic tips for preserving cut flowers C. Role of Respiration D. Most Important Aspect of Flower Care E. Need for Clean Water F. Ways of Stopping Respiration |
1.
While everybody enjoys fresh cut flowers around his house, few people know how to keep them for as long as possible. This may be done by keeping in mind a few simple facts. The key to keeping fresh cut flowers for a week or more without floral preservatives(which contain biocides that kill bacteria and fungus) is to keep the water fresh and the stems free of air pockets so they can continue to draw up water.
2.
An important thing to remember about cut flowers is that they are sensitive to temperature. For example, studies have shown that cut carnations(康乃馨) retain their freshness eight times longer when kept at 12℃ than when kept at 26℃. Keeping freshly harvested flowers at the right temperatures is probably the most important aspect of flower care.
3.
Flowers are not intended by nature to live very long. Their biological purpose is simply to attract birds or insects, such as bees, for pollination (授粉). After that, they quickly dry up and die. The process by which flowers consume oxygen and produce carbon dioxide, called respiration (呼吸), generates the energy the flower needs to give the flower its shape and colour. The making of seeds also depends on this energy. While all living things respire, flowers have a high level of respiration. A result of all this respiration is heat, and for flowers the level of heat relative to the mass of the flower is very high. Respiration also brings about the eventual death of the flower. Thus the greater the level of respiration, the sooner the flower dies.
4.
How, then, to control the rate at which flowers die? By controlling respiration. How is respiration controlled? By controlling temperature. We know that respiration produces heat, but the reverse is also true. Thus by maintaining low temperatures, respiration is reduced and the cut flower will age more slowly.
5.
Another vital factor in keeping cut flowers is the quality of the water in which they are placed. Flowers find it difficult to “drink” water that is dirty or otherwise polluted. Even when water looks and smells clean, it almost certainly contains harmful substances that can endanger the flowers. To rid the water of these unwanted substances, household chlorine bleach (含氯漂白剂) can be used in small quantities. It is recommended that 15 drops of chlorine bleach(at 4% solution) be added to each litre of water. The water and solution should also be replaced each day.