Copper May Heal Arthritis; Metal Is Found in Body Tissue
铜属于重金属。 A、Copper belongs to the heavy metals. B、Copper is grouped to be a heavy metal. C、Copper is a heavy metal.
Which of the following elements is a metal? A. carbon B. sulfur C. copper D. phosphorus 相关知识点: 试题来源: 解析 C。金属元素是铜。选项 A 是碳,是非金属元素;选项 B 是硫,是非金属元素;选项 D 是磷,是非金属元素。所以答案是 C 。
解析 A。此题考查演绎推理。因为金属导电,铜是金属,所以铜导电,A 选项 conducts 正确,B 选项 doesn't conduct 意思是不导电,不符合推理;C 选项 conduct 形式错误,主语 copper 是第三人称单数,要用 conducts;D 选项 don't conduct 形式错误且意思不符合推理。
【题目】2. Copper is a transition metal.(a)Describe the bonding in copper andexplain why copper is usuallymanufactured as electric wire.(b) Lit two characteritics of transiion metals.(c)Identify the nature of bonding between theligand and the transition metal ion in thecomplex [Cu(NH3)4]...
该词在本句中是形容词作定语修饰后面的表语，意思是 靠近。。。边界的。本句is加表语是并列的谓语。本句意思：在自然界中，铜以强软金属（cu+）存在或是接近（cu2+）的。
cymbals.ACopper is easy to make.B These mixtures have good characteristics.So it is used in a variety of musical instruments.DPresently,copper is used in building construction.EAs a result,copper was important to early humans.We'd better recycle this metal and save natural resources.Copper was...
KAMOA COPPER Type : Commercial. Location : Kolwezi RDC. Project Architect : METALCO. Project Area : 10.000 m2. Description : Mine and plant store. Project Period : 2020-2021 ... Lire La Suite… October 8, 2021/METALCO EPIROC Type : Commercial. Location : Kolwezi RDC. Project Architect ...
characteristics.So it is used in a variety of musical instruments.Presently, copper is used in building construction.As a result, copper was important to early humans.We'd better recycle this metal and save natural resources.Copper was first used in coins and decorations starting about 8,000 ...
As a basic metal and a global bulk metal, copper metal is one of the main consumer metals in the world and is widely used in electrical, electronic, machinery manufacturing, construction, national defense and other industrial fields. Copper is the most widely used and used in the electrical ...