B.Carbon.C.Lead.D.Graphite.相关知识点: 试题来源: 解析 D 本题的关键词为graphite,is used to make the“lead”in your pencil.根据关键句可推断出。可能有学生会选[B],因为graphite consists of carbon.但carbon只是一种元素,而不是一种矿物质或金属。
There is lead in it. It is _. A. a pen B. a marker C. a pencil D. a highlighter 相关知识点: 试题来源: 解析 C。解析:又长又细,能用来写字且里面有笔芯(lead)的是pencil(铅笔),pen(钢笔)用墨水书写,marker(马克笔)和highlighter(荧光笔)虽然也能书写但与描述不符,所以选C。
单项选择题Questions 22-25 are based on the following passage.What is the "lead" in a pencil made of.’ A.Diamond. B.Carbon. C.Lead. D.Graphite. 点击查看答案&解析 延伸阅读 你可能感兴趣的试题 1.单项选择题The eight airlines of the One-world alliance have joined forces to give world tra...
Now, how did the black-lead get there? Did it grow inside the wood? Look very carefully at the ends of the pencil. It is made of two strips (条) of wood. People glued them together after they put the black-lead in.If you put it in water for a while, the glue will become ...
I lost my ___. It is made of wood and has a lead in it. A. pen B. pencil C. eraser D. book 相关知识点: 试题来源: 解析 B。解析:由木头制成且里面有笔芯的是pencil(铅笔)。pen(钢笔)一般是塑料或金属制成,且内部结构与铅笔不同。eraser(橡皮)是橡胶制成,用于擦除。book(书)是纸...
对于给定的下面的一段计算香农信息熵的python程序,则其输出结果应该为下面的哪个选项? import numpy as np def calc_ent(x): x_value_list = set([x[i] for i in range(x.shape[0])]) ent = 0.0 for x_value in x_value_list: p = float(x[x == x_value]......
更多“What is the "lead" in a pencil made of.'?A.Diamond.B.Carbon.C.Lead.D.Graphite.”相关的问题 第1题 What did the man mean by saying "Take it easy unless you want lead for lunch"?()A.Put up What did the man mean by saying "Take it easy unless you want lead for lunch"...
百度试题 结果1 题目What color is the pencil lead? A. black B. white C. gray 相关知识点: 试题来源: 解析 A。铅笔芯通常是黑色的。白色的铅笔芯很少见,灰色的铅笔芯也不常见。反馈 收藏
The ‘lead’ in a pencil is made of a mixture of graphite and clay. When the percentage of graphite is increased, the pencil slides across the paper more easily. Which statement explains this observation? A. Graphite has a high melting point. B. Graphite is a form of carbon....
WHAT IS Lead Pencil Studio DOING IN THE BASEMENT OF THE WING LUKE MUSEUM?Graves, Jen