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nnot hold back viruses, which tend to be much smaller. Though the experiment is successful, we must remember one thing—the bark only works when damp. This means that before this natural filter can be put to practical use, the researchers will have to figure out how to keep the bark damp, or find a way to keep the bark’s great filtering ability even when it’s dry. But the study is not done. The researchers plan on testing other types of trees, including those flowering trees. They think those may be more effective in trapping smaller particles and even viruses. will the discovery affect the world? A. No harmful bacteria will be found in water. B. There will be no water pollution around the world. C. More pine trees will be planted around the world. D. Clean water will be more accessible in developing countries. problem troubles the researchers when using the trees bark as a water filter? A. Viruses cannot be prevented. B. Tree bark should be wet. C. It’s hard to remove air bubbles. D. Not all bacteria can be held back. does the team plan to do other experiments? A. To find other natural water filters. B. To improve the filtering ability of other trees. C. To find a way to keep the bark wet. D. To test the filtering ability of other trees. which column of a newspaper can we read this text? A. Culture. B. Science. C. Lifestyle. D. Society. 第二節(jié):(共 5 小題;每小題 2 分,滿分 10 分) 根據(jù)短文內(nèi)容,從短文后的選項(xiàng)中選出能填入空白處的最佳選項(xiàng)。 We usually don’t mind when people call us by positive nicknames. 36. But when people call us by cruel nicknames, it can be difficult to get them to stop. So what should you do? Ask your friends to stop. Maybe you tripped(絆倒) over your feet a few times, and your friends started calling you klutz, thinking that you don’t really mind. 37. Leave a nicknames behind. Sometimes, life gives us a chance to start fresh. 38. If you’re moving from elementary school to middle school, let your friends know that don’t want to go by your old nickname. Ignore those who call you by a nickname. If the kids calling you by a bad nickname aren’t your friends, you should do your best to ignore them. 39. It may be hard to pretend that it doesn’t hurt, but if you get angry or obviously upset, it will just encourage them to use the nickname all the time. 40. Remember that if you have a bad nickname now, you probably won’t be stuck with it. Just look at Elvis Presley! When he first started singing on stage, he wiggled(擺動(dòng)) his hips so much that cruel critics and the audience nicknamed him Elvis The Pelvis. He never stopped wiggling. People soon found it impossible to ignore his talent and began to call him The King of Rock amp。 Recently, I questioned the work I was doing. I found myself wondering whether all my time and effort was 41 . Will my new business provide the ine I need? Is my service good enough for others to want to 42 my products? These are only a few of the 43 that ran through my mind. With every question, my selfconfidence were 44 ! As my doubts swirled(紛亂) in my mind, I could feel my attitude changing. I doubted whether it is really worth the 45 or not. Realizing that these 46 thoughts were affecting my attitude, I went to the website to read quotes on 47 .I found I did not have a category of “selfconfidence”. I then searched the wow4u website and found 48 quotes on selfconfidence. So I 49 establishing a category on selfconfidence. As I worked on the web page, my selfconfidence was being 50 .I could feel my outlook changing, and gave myself a(n) 51 adjustment. Many times in my life I have found the quotes have 52 changed my outlook.