Unit 5 Water 单元话题阅读理解练习 （22-23七年级下·广东广州·期末）Water can run away in interesting ways. Let’s try to get water from one cup into another. What you need An empty glass A glass with blue water A glass with red water Some paper towels What you do Step 1Prepare “paper bridges”. Use paper towels to make two of them. They will take in and carry away water. Step 2Take one paper towel. Put one end of it into the glass of blue water and the other end into the empty glass. Take the other paper towel and do the same thing to the glass of red water and the empty glass. Step 3Watch what is going on. This experiment takes some patience. What you see Your paper towels start getting wet and after some time you will find that the empty glass is starting to have water, just like the picture（→）shows. Interestingly, if red and blue go together, it becomes purple. So, you will see three colors now. The empty glass keeps getting water. In the end, there will be the same quantity of water in each glass. What you learn When the paper towels touch water, there is a kind of power between water and the towel, so water goes to the paper towel and then runs away. ▲ . For example, water travels from the roots to the rest of the tree. 1．At the beginning, how many glasses with colored water do we need A．4. B．3. C．2. D．1. 2．Why do we need paper towels A．To write down what is going on. B．To clean the water after the experiment. C．To allow water to run away into another cup. D．To show the different colors in the different glasses. 3．Which picture can be put into “ ” A． B． C． D． 4．Which of the following sentences is the best to be put in ▲ . A．You can also see this in plants. B．So the paper bridges become wet. C．Later, the towels will be full of water. D．In the end, water goes into all the glasses. 5．Tom is introducing the experiment to his classmates. What may he say A．What a dangerous experiment it is! Please be careful. B．You need to be patient because it will last for some time. C．To do the experiment, you need to prepare some wet towels. D．Finally, you will see some chemicals at the bottom of the glasses. （22-23七年级下·广东广州·期中）October 15 2021 is the 14th Global Handwashing Day. That is a big day of each year to make people know the importance of cleaning hands with soap（肥皂）. Research shows that not enough people wash their hands with soap. Experts believe that this leads to the deaths of millions of people every year. Myriam Sidibe says that washing hands with soap can make a big difference in reducing flu and other diseases（疾病）. It can also prevent（预防）babies from getting sick and keep children healthy. However, washing hands with soap doesn’t happen as often as you might think. This may happen in poorer countries, but it’s also because for many people, washing hands with soap is just not part of their everyday life. This is what Global Handwashing Day tries to do. Since the first Global Handwashing ... ...
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