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1、高分提能组合练(三十四)阅读理解完形填空语法填空短文改错. 阅读理解(2019吉林长春模拟)In the story of “The crow and the pitcher” from Aesops Fables, a thirsty crow (乌鸦) drops stones into a narrow jar to raise the low level of water inside so he can take a drink. Now scientists have evidence to back up that story. Crows actually do underst
2、and how to make water displacement (移位) work to their advantage, experiments show. The results suggest that the birds are, at least in some aspects, as smart as firstgraders. Researchers, led by Sarah Jelbert at the University of Auckland in New Zealand, presented six crows with tubes filled with wa
3、ter. Inside the tubes, a worm or piece of meat on a piece of wood was floating, just out of reach of the crow. In front of the tubes, the researchers arranged several rubber erasers that would sink, and some plastic objects that would float. The crows found out that they could drop the erasers into
4、the tubes in order to raise the water level and get their snack. However, the_birds_handled_awkwardly in experiments in which they could choose to drop objects in either a wide tube or a narrow one to get a snack, the researchers said. Dropping objects into narrow tube would lift the water level by
5、a greater amount and put the treat within reach after just two drops; while it took around seven drops to raise the snack to the same level in the wide tube. The crows obviously didnt realize this, and most of them went for the wide tube first. Previous studies showed that chimps and human children
6、can solve similar tasks. In a 2011 study, chimps and kids found out that they could put water into a tube to reach a peanut that was floating in a small amount of water at the bottom. 语篇解读这是一篇科普类文章。文章主要讲了科学家通过喝水实验对乌鸦智商的研究。1How did the crows get the snack in Sarahs experiment?ABy breaking the tube. B
7、By dropping in erasers. CBy standing on the wood. DBy removing the wood. B细节理解题。根据第三段“The crows found out that they could drop the erasers into the tubes in order to raise the water level and get their snack. ”可知，乌鸦能够把橡皮擦扔到管子里，使食物浮起，然后吃到食物。 2What does the author mean by the birds handled awkwardly i
8、n Paragraph 4?AThey were unable to tell different shapes. BThey dropped objects only into narrow tubes. CThey were not aware of the snack at first sight. DThey mostly avoided the easier way to get the snack. D语句猜测题。从第四段可知，实验中的乌鸦在面对粗细不同的管子时，虽然细管比粗管需要更少的水和时间就可以把食物浮起来，但是乌鸦往往先去粗管那边，而没有选择更容易浮起食物的细管。由此可知，
9、这一句话的意思应该是“鸟儿大多没有选择更容易的方式得到零食”。 3What does the text mainly focus on?AStories of Aesops Fables. BThe development of crows. CCrows intelligence. DHumananimal communication. C主旨大意题。根据第二段“The results suggest that the birds are, at least in some aspects, as smart as firstgraders. ”以及后面的几个实验可知，整篇文章都是围绕乌鸦的
10、智商问题来展开的。 4What can we learn from the passage?ACrows are almost as clever as firstgraders in some respects. BCrows understand water displacement completely. CChimps and children are much smarter than crows. DThe story of “The crow and the pitcher” lacks evidence. A推理判断题。根据第二段最后一句“The results suggest
11、 that the birds are, at least in some aspects, as smart as firstgraders. ”可知，鸟儿在一些方面几乎跟一年级小学生一样聪明，所以选项A正确。根据第四段的实验可知，乌鸦并不能很好地理解排水量问题，所以选项B错误。根据最后一段的实验可知，黑猩猩和儿童跟乌鸦一样可以解决类似的问题，这不能说明他们比乌鸦聪明，所以选项C错误。第二段第一句“Now scientists have evidence to back up that story. ”可知，科学家们已经有关于这则寓言的证据了。 . 完形填空When we got ready
12、 to go to the rink(溜冰场)，Mom always helped me tie up my skates. Then she _1_her own. Mom and I had been coming to the rink every_2_since my lessons began. That was our deal. I went to _3_on Tuesdays, and we skated together on Sundays. When we were ready to_4_on the ice，Mom took my hand and put an arm
13、 around my shoulder. I looked up at Mom and smiled. She seemed_5_but still smiled back. I took a short gliding step，and she stepped with me，holding my hand tight. We went across the rink very_6_. After a few minutes，we_7_in the center of the rink. I gently took my_8_back from Moms and glided slowly
14、away. While Mom stood still，I_9_the move my teacher taught me this week. I planted one foot on the_10_，leaning forward a little. I slowly raised my back foot as_11_as I could behind me. I stopped and_12_a moment when some bigger kids skated quickly by. “OK，Mom. Its_13_，”I said. “In fact，there is_14_
15、to be afraid of. Skating alone is no_15_than skating with me. ”Then I did what my teacher did when he was teaching a_16_skater. “Watch my face，Mom，” I said. “Not your feet. Now，step. ”She took a baby step and_17_. We stayed until Mom could skate across the rink three times by herself. _18_she was do
16、ne，she glided over to me and gave me a big hug. “I_19_you could do it，” I said. She smiled and said，“I couldnt have done it without my excellent_20_. ”语篇解读作者虽小，却耐心地教妈妈学溜冰。在作者的努力下，妈妈终于学会了溜冰，妈妈觉得作者是一位优秀的老师。1Atook offBput onClooked for Dthrew awayB妈妈帮作者系牢冰鞋，然后又穿上(put on)自己的，由下文可知，她是去学习溜冰。其他选项take off“脱下；取下”
