题型:阅读选择 题类: 难易度:普通
四川省成都市龙泉驿区2023-2024学年九年级上学期期末英语试题
When Bella was five, she lost her cat Snowy. Then she decided to write a picture book about her cat so that she could see it every day. The Lost Cat was finished after five days, with colorful painting. To her surprise, this picture book was popular around people and became the best seller in the bookstores. In the same year, Bella was named the world's youngest female writer to publish a book by Guinness World Records. | |
Ten fun scientific studies across the world won the 12th Pineapple Science Award on November, 2023. The organizer hopes to bring out the curiosity (好奇心) of young people through "fun and serious" studies. And the winners got their ideas in daily life. For example, Sun Qi at New York University won the medical prize. It took her and her team two years to find out that plucking (拔掉) gray hairs would only bring more. | |
The pair, Drew Weissman and Katalin Kariko, won the 2023 Nobel Prize in Physiology or Medicine. What they discovered help the development of vaccines (疫苗) against COVID-19. In fact, Dr. Kariko began studying that in the 1970s. She met Dr. Weissman in 1998 and the two soon began working together. Seven years later, they published their discovery in a paper. With the help of their discovery, millions of lives were saved during COVID-19 |
Do a science experiment to see how rain forms.You will need:a glass jar (罐),hot water,a plate and ice cubes (冰块). What happens in the jar? Hot water makes warm,wet air called steam (水蒸气).Steam rises up to the cold plate.The cold air changes the warm steam into water.Then heavy drops of water fall. |
What happens in the sky? The sun heats the water.The warm,wet air rises up into the sky.If the warm,wet air meets the cold air,rain clouds form.When the clouds have enough water,the drops fall to the ground as rain. |
试题篮