二、What are Plastic Bags Made Of? Most plastic bags are made from polyethylene, which is derived from petroleum. Through a process called polymerization, ethylene molecules are combined to form long chains of polymers. These polymers are then...
百度试题 结果1 题目What’s the handbag made of?A. Plastic. B. Cotton. C. Leather. 相关知识点: 试题来源: 解析 A 【原文】 略反馈 收藏
airborne microplastics that are present in the air we breathe, posing potential dangers to our health. Polyethylene (PE) Polypropylene (PP) Polypropylene (PP) is the second most commonly used synthetic plastic behind PE. Although stronger than its more illustrious counterpart, PP is still highly fl...
百度试题 结果1 题目What are those chopsticks made of? A. Bamboo. B. Plastic. C. Silver. 相关知识点: 试题来源: 解析 A 【原文】 W: Do you think those chopsticks are made of plastic? M: No, they are made of bamboo.反馈 收藏 ...
What are these things made of? Write.1 The telephone is made of plastic.plastic2 The belt is made of leather.leather3The vase is made of glass.glass4The knives are made of metal.metal5The bowls are made of wood.wood6 The plate is made of china.china7 The ties are made of silk.si...
百度试题 结果1 题目What are some metal sculptures made of? A. Wood B. Plastic C. Iron D. Paper 相关知识点: 试题来源: 解析 C。解析:文章中提到了 Some are made of iron.,所以一些金属雕塑是由铁制成的。反馈 收藏
( ) What are the flowers made of? A. Plastic. B. Paper. C. Silk. 相关知识点: 试题来源: 解析 【录音原文】M: What beautiful flowers! They look just like real ones. Are they made of silk or plastic?W: Neither. I used paper to make them.B....
百度试题 结果1 题目What are the flowers made of? A. Plastic. B. Silk. C. Paper. 相关知识点: 试题来源: 解析 [解答]C [解析][听力原文]略 反馈 收藏
Youprobablyseealotofthingsmadeofplastic,likebottlesandbags.Whathappenswhentheplasticwasthrownaway?Scientistssaythatmuchofitreachestheoceansintheend,andcausesproblemsforoceancreatures(生物),likefishandbirds."Plasticmakesoceancreaturesindanger,someofthemdiewhentheyaretangled(被缠绕)inpiecesofplastic,andotherseatthepla...
百度试题 结果1 题目( C )12. What is it made of? A. Cotton. B. Plastic. C. Silk. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏