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            • 1．

              I checked my purse but had no coins. I always give money to cancer research- I had   lost dear friends and family members to the disease and wanted to do my little part to help find the cure（治疗）. 

              “I will bring you some money when I come back,” I (41)the little boy. 

              “Thank you!” he smiled and sneezed.

               I looked at him. If you have ever seen little children who refuse to come out of cold

              water, you know the (42)of his lips. He was frozen. I went into the mall and did my 

              shopping quickly. Now I had(43) to give go him. I also(44) a pair of mittens, blue    ones. The boy stood right where he had(45). 

              “OK, now give me your list, ”I said to the boy and he handed it over with a pen. I looked at the (46) lines. A few signatures were
              ​ there and I could see others had given a few coins too. Nothing much, but at least he had (47) some money. 

              “Do you need to get all these lines(48)?” 

              “Yes. Or no, I don’t have to, (49) I want to.” 

              “In this cold weather? Why would you want that?” 

              “Because my best friend Pete has leukemia(白血病). I want to help him,”he

                said (50). 

              I took the blue mittens out of my bag. 

              “Here I got these for you,” I said and pushed the mittens into his hands. “Please take them. I noticed you had (51)yours at home.” 

              “Thank you! Very kind of you! ” he said and actually bowed. “Now I (52)stand 

              here a lot longer than I thought.” 

              “Well, what do you get for yourself? Will they give you something as a (53)for 

              doing this?” 

              “Oh yes!” the boy said(54). “They sure do!” 

              “What do you get then?” I asked, hoping to (55)he got some nice toys. He was 

              smiling broadly now. “I get a new, empty list!” he smiled. 

              难度：中等
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            • 2．

              We are learning English, not learning about English. A student can ___11___ all about English, but he ___12___not be able to speak English. There is a ___13___ between “learning English” and “learning about English”. If you want to learn it well, please ___14___the following things. ___15___, learn the expressions(表达) by heart. Learn the ___16___sentence, not single words. At the same time, don’t ___17___ about mistakes. It is important ___18___ a good habit from the very first lesson. Just try to say ___19___you want to say and don’t care if people laugh at you. Keep on trying and you’ll make ___20___ mistakes.

              难度：较难
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            • 3．

              Sounds are everywhere on the Earth. The world__36__many interesting sounds. Some are unpleasant to our ears while__37__are very pleasant to hear. In a single day, you probably hear __38__ sounds. All sounds are different. Some__39__loud while others may be low.

                 Some sounds are useful. __40__sounds we can’t talk or listen to each other. The ringing of the alarm clock wakes people up. The hoot(鸣笛声) of a car warns people of danger.

                Some sounds are harmful. When planes fly low__41__the land, the very loud sounds can even make people deaf.

                We know sound travels about one kilometre in three__42__. In a thunderstorm, you see the lightning first and then hear the thunder. This is because light travels__43__than sound.

              Next time you see lightning, count the number of seconds before you hear the thunder.

              Divide（除以）this number__44__ 3. This will tell you__45__kilometres away the thunderstorm is.

              难度：难
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