glass was made from sand.过去时 玻璃是由沙子做成的。
1.Glass is made from sand. 2.Stamps are sold in a post office. 3.This room is not used very often. 4.Are we allowed to park here? 5.How does his word pronouce? 6.We were woke/woken up by the noise. 7.The office was cleaned yesterday. 8.The house was painted last month. 9...
1.Glass is made from sand.2.Stamps are sold in a post office.3.This room is not used very often.4.Are we allowed to park here?5.How does his word pronouce?6.We were woke/woken up by the noise.7.The office was cleaned yesterday.8.The house was painted last month.9.There people...
1.Glass is made from sand.2.Stamps are sold in a post office.3.This room is not used very often.4.Are we allowed to park here?5.How does his word pronouce?6.We were woke/woken up by the noise.7.The office was cleaned yesterday.8.The house was painted last month.9.There people...
一道新概念四英语题 glass is made___sand and lime 还有,如果是填from的话,是不是说玻璃是沙子和生石灰组成的... 那不是很恐怖很
Glass is made from sandThe first one is actually correct. Facts must be stated in present tense. The statement is general, meaning it talks about most glass being made of sand. The second sentence may be used when referring to a specific glass product. T
Glass is made from sand. Glassmaking happens by melting sand. But before the glass gets melted, the sand is mixed with soda ash and limestone. Soda ash is added to save energy when making glass by lowering the sand’s melting point. ...
glass is made___sand and lime还有,如果是填from的话,是不是说玻璃是沙子和生石灰组成的...那不是很恐怖很乱套... 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 不恐怖啊,那就是玻璃的主要成分.上了化学课就知道了.附:玻璃是我们每天都可以见到的一种硅酸盐制品.窗玻璃就是...
百度试题 结果1 题目Glass is madesand.A.fromB.ofC.inD.up 相关知识点: 试题来源: 解析 (A)解析be made from由……制造,看不到原料,故选 A。
根据第一段中A lot of manufactured glass today made from sand and sodium carbonate(碳酸钠) can be reused or melted down and recycled into new items,but it doesn't break down in the environment and will sit in landfills for thousands of years.(今天,许多由沙子和碳酸钠制成的人造玻璃可以重复...