根据“What would happen if you tried to blow a soap (肥皂) bubble in below-freezing weather...”可知作者通过几个问题引出文章的话题。故选C。 (2)题详解: 主旨大意题。本文主要介绍了作者为了查明在低于冰点的天气里吹肥皂泡会发生什么,作者做了一个实验。故选D。 (3)题详解: 细节理解题。根据...
What can we do with recycled (回收利用) materials?For Yan Hong,a 33-year-old woman from Chengdu,they can become (1)___ artwork pieces.One of her famous works was (2)___ recycled cans. Yan Hong used to be a nurse.But after starting to make craftwork (手工) ,she found her real ...
simply by talking or playing games with them to make their days better. ___59___, you could volunteer to be a homework helper at your school. You’re always needed to walk dogs or play with cats. Or you can collect things for homeless people, such as soap and toothbrushes...
Your healthcare provider can tell you if you should also get other vaccines, and when to get them. Prevent the spread of germs. Wash your hands often with soap and water. Use hand sanitizer when soap and water are not available. Do not touch your eyes, nose, or mouth unless you have...
You may be able to reduce your risk of infection (感染) by avoiding people who are sick. Try to avoid touching your eyes, nose and mouth. Wash your hands often with soap and water and for at least 20 seconds.Awareness is key. If you are sick and have reason to believe it may be ...
What would happen if you tried to blow a soap(肥皂)bubble in below-freezing weather? Would it freeze and fall to the ground? Would you have to hit it with a stone to break it? These questions came into my mind one cold winter day.It was too cold to play in the snow, but it was...
What would happen if you tried to blow a soap bubble in below-freezing weather?Would it freeze and fall to the ground?Would you have to hit it with a stone to break it? These questions came into my mind one cold winter day. It was too cold to play in the snow, but it was a pe...
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When these frozen bubbles break, they don't turn into tiny drops of soap as summer bubbles do. They turn into shiny rainbow pieces and fly slowly to the ground. Sometimes a frozen bubble will roll across the snow without breaking. If it breaks, it may leave a strong bubble skin on the...
Dishwashing soap, such as Dawn – 1.5 tspsWhite vinegar – 1 tablespoonWarm water (use as warm as what is safe for the fabric) – about 2 cupsShould I give rice to a dog with diarrhea, and how much?Adding a starch, such as rice, can help dogs suffering with diarrhea. Ideally, ...