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专题02 短文选词填空(解析版)
1、 宝山区
二、短文选词填空
Complete the following passage with the words in the box. Each can only be used once(将下列单词填入空格。每词只能填一次)
A.perform B.almost C. notice D.guess E. especially
A.level B.careful C. temperature D.awake E. conclusion
Have you ever done a science experiment? It can be a lot of fun! You can use experiments to learn about ____16____ anything. This book will help you learn how to think like a scientist. Scientists have a special way of learning new things. Some people call it the Scientific Method. This is how it often works: Scientists ____17____ things. They observe the world around them. They ask questions about things they see, hear, taste, touch, or smell. They come up with problems they would like to solve. They collect information. They use what they already know to ____18____ the answers to their questions. This kind of behaviour is called a hypothesis (假设). Then they need to test their ideas.They ____19____ experiments. They watch and write down what happens.Scientists learn from each new test. They think about what they learned and come up with an answer to their question. This means they reach a ____20____.
Let’s think like scientists to learn more about water. Do you use ice cubes to keep your drinks cold? You know that ice cubes are made of frozen water. When the ____21____ of the water drops below zero, it changes into ice. What happens to water that gets very hot? Does it change into something different? Maybe we can do an experiment to find out:
Pour 3 inches of water into the pan. Use the ruler to help measure how deep the water is. Write this number down.
Have an adult heat the water over a stove (火炉). Be ____22____ not to burn yourself! Pay attention. Is the water getting hot? Is it starting to boil? Do you see steam coming out of the pan?
Let the water boil for 10 to 15 minutes. Have the adult remove the pan from the stove.
Let the water cool. Then use the ruler to meas