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...
Chip asked Gran to tell them about thewar. "I never saw a banana,” said Gran. "There wasn't much food. We didn't have lots of sweets or chocolate.We didn't have nice soap and shampoo.We only had a bath once a week." Chip...
Here's what I learned.If the temperature is low enough, the skin of the bubble frosts(结霜) over, becoming cloudy instead of clear. And what about those rainbow swirls(漩涡状物体) that you see in soap bubbles? The rainbow colors stay even(均匀的) when the bubbles frost, but they don'...
When you say “This is the INCI name for ___” it means that it is the accepted and standardized name for that particular cosmetic ingredient, as it is listed in theInternational Cosmetic Ingredient Dictionary. There may be OTHER names for the ingredient, but the INCI name is the standardiz...
What is Instant Hand Sanitizer, Hands No Need Rinse, Portable, Antibacterial Hand Sanitizer, hand sanitizer manufacturers & suppliers on Video Channel of Made-in-China.com.
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Pepper can sit on it. But dishwashing soap is in between the water molecules and takes up the layer. As the soap spreads out(开), it pushes the pepper away, so the pepper seems to run away from the finger. 相关知识点: 试题来源: 解析 为了完成这个名为“胡椒粉,走开!”的小实验,我们...
Here's what I learned.If the temperature is low enough, the skin of the bubble frosts(结霜) over, becoming cloudy instead of clear. And what about those rainbow swirls(漩涡状物体) that you see in soap bubbles?The rainbow colours stay even(均匀的) when the bubbles frost, but they don'...
Use hand sanitizer when soap and water are not available. Do not touch your eyes, nose, or mouth unless you have washed your hands first. Cover your mouth when you cough. Cough into a tissue or your shirtsleeve so you do not spread germs from your hands. If you are sick, stay away...
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