Day 1-冲刺2021年中考英语完形填空提分必练之科普知识与现代技术

Day 1 A Many people catch a cold in the springtime or fall. It makes us wonder…if scientists can send a man to the moon, why can't they find a cure for the 1 cold? The answer is easy. There are hundreds of kinds of cold viruses（病毒）out there. You 2 know which one you will get, so there isn't a cure for each one. When a virus 3 your body, your body works hard to fight against it. Blood rushes to your nose and brings congestion（拥堵）with it, so you can't 4 well. But your body is actually “eating" the virus. Your temperature rises and you get a fever but the 5 of your body is killing the virus. You also have a runny nose to stop the virus from getting into your cells（细菌）. You may feel very uncomfortable, but actually your 6 body is doing everything it can to kill the cold. Different people have different remedies（疗法）for colds. In China and some other countries, 7 people might eat chicken soup to feel better. Some people take hot bath and drink wa