27. Nearly all our clothes are made from fibers of one sort or another, C_ from plants, animals,coal or petroleum and all these fibers are seen to consist of long chain molecules.A. despite they are derivedB. whether are they derivedC. be they derivedD. they be derived 相关知识点:...
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• Regarding media innovation, F5G replaces traditional copper cables with optical fibers for transmission. Fibers are made of silicon dioxide (glass), which is stable and resistant to corrosion and electromagnetic interference. The bandwidth of optical fibers can be smoothly evolved to 50 Gbit/...
The synthetic fibers produced in that plant ___ one third of all turned out in the area. A.fill upB.account forC.consist OfD.take out 相关知识点: 试题来源: 解析 B [考点] 词组辨析。选B,account for(1)“(在数量、比例等方面)占”;(2)“说明(钱的用途、事情的起因等)”:I can't...
百度试题 结果1 题目 The synthetic fibers produced in that big plant___one third of all the fibers turned out in sea. 相关知识点: 试题来源: 解析 account for 反馈 收藏
百度试题 结果1 题目 The synthetic fibers produced in that big plant ___ one third of all the fibers turned out in sea. 相关知识点: 试题来源: 解析 account for 反馈 收藏
any time. This enables remote monitoring and intelligent control, and operations are no longer limited by time and space. It not only helps us reduce labor costs, but also increases O&M and management efficiency," said Li Jun, Director of the Security Division at Dongfeng Machine Tool Plant....
Made of strong silk fibers Provide protection during metamorphosis Adult Moths Adult giant silk moths are stunning creatures with large, beautifully patterned wings and feathery antennae. Males have large feathery antennae, while females have thinner filament-like antennae. Adult moths have small or abse...
Plants are theultimate source of food and metabolic energy fornearly all animals, which cannot produce their ownfood. Besides foods, plant products vital to humansinclude wood and wood products,fibers, drugs,oils,latex,pigments, and resins. Coal and petroleum(石油)are fossi substances of plant ...
Major Raw materials: Cupro, Lyocell and various plant fibers. Main application: Used as the basic fabric for the face sheet masks, eye masks, hand masks and foot masks. Performance characteristics:It combines the characteristics of lightness, thinness and tra...