Although pencils actually are made of graphite and not of lead, the term lead pencil has come to be widely used. A. supposedly B. genuinely C. everywhere D. still 相关知识点: 试题来源: 解析 B 句意:尽管铅笔主要是用石墨制成,而不是铅,但“铅笔”这个词被广泛使用。actually事实上。genuinely...
There are many kinds of pencils some have erasers on top ; some are colorful. You may have used many kinds of them for many years , but do you know the historyof pencils?Many years ago , people in Egypt used lead铅)to write . Now, pencils are madefrom graphite(石墨) instead of ...
结果1 题目 13. Although pencils _ D _ are made of graphite and not of lead, the term “lead pencil" has come to be widely used. A. supposedly B. still C. everywhere D. genuinely 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
A.今天的铅笔不是由铅和石墨制成的;根据Now pencils are made from graphite instead of lead.可知A选项描述错误。B.第一支木铅笔是在美国制造的;根据In 1812, William Munroe made the first American wood pencils.可知B选项描述是正确的。C. 德国人最早使用混合材料制作铅笔;根据Later, in the 1600s, ...
Pencils are often made from ___. A. paper B. rubber C. graphite D. cloth 相关知识点: 试题来源: 解析 C。本题考查铅笔制作材料的词汇。A 选项“paper”意为“纸”,铅笔不是用纸做的;B 选项“rubber”意为“橡胶”,不是铅笔的制作材料;D 选项“cloth”意为“布”,与铅笔制作无关。C 选项“...
Many years ago,people in Egypt used lead(铅)to write.Now,pencils are made from graphite(石墨)instead of lead.In 1564,people found that graphite could leave black marks.In the beginning,the people used it to make marks on their sheep.Later they used the graphite to write.They thought it ...
However, most of them still need the last step.clay /klet/n.黏土:陶土5graphite/graefat/.石墨lend /lid/m.芯After all of this, the pencils can be put in the box and sold now.根据材料内容,从下面五个选项中选出能填入文中空缺处的最佳选项,使短文意思通顺、内容完整A. The wood needs to ...
[题目]根据句意.用所给汉语的正确形式填空.[1] .there are millions of people have gotten this help.[2]People have too many trees. so some rich land has changed into desert. [3]You should the electricity when you leave a room.[4]Protecting the envi
Did you know that 14 billion pencils are made around the world each year? Most people don't know about the journey each pencil takes before it ends up in your hand. Think about it: The wood might come from trees in Oregon. The "lead" (which is actually graphite) could be from Sri ...
Another very popular and highly recommended pencil among graphite artists for creating dark areas is the Faber Castell 9000 series. With a super smooth graphite lead, they are perfect for layering and blending. The range of B pencils including the 8B are capable of producing good blacks and dark...