相关知识点: 试题来源: 解析 B。原因:文中提到“In industry, oxygen has many applications. It is used in steelmaking to remove impurities from iron. It is also used in the production of chemicals such as sulfuric acid.”。 反馈 收藏
The ocean covers more than 70% of the Earth’s surface. It produces at least half of the planet’s oxygen and absorbs around 30% of the carbon dioxide produced by humans. The sea is home to most of our biodiversity and 3 billion peop...
in importance是词组，表示重要。意思是水将继续如现在一样的次于氧气的重要。
Fish ___ oxygen through their gills(鳃). III.单项填空: () 1. Air pollution can affect humans by___ sore eyes and respiratory problems, especially in children and___. A. cause, the old B. causing, the older C. causing, the elderly D. cause, the elderly ()...
Version 23.1.0ofOxygen XML Web Authorexpands upon the features that were recently added in Version 23.0.0 with further improvements to some of those features, along with several new enhancements. Some of the highlights include: TheOutline Panenow displays the entire content of a DITA map when ...
Scientists at MIT are trying to figure out where the oxygen in the universe comes from, and how oxygen and carbon are made.
这是习惯用法，用what 连接，意思是……就像……，整个句子的意思应该是水一直就像氧气那么重要
01)Henry Moore,a sculptor,is regarded as one of the most famousfiguresin the world.D 02)She reported the latest tradefiguresto her manager.A 03)Every woman wants a slimfigurenowadays.C 04)As we were approaching,we saw a dimfigure,which turned out to be Uncle Paul,who lived in a quiet...
Blood is a combination of plasma (watery liquid) and cells that float in it. It is a specialized bodily fluid that supplies essential substances and nutrients, such as sugar, oxygen, and hormones to our cells, and carries waste away from those cells, this waste is eventually ...
What's New in O_2? A-5 Flowmeters To Start Kudos to the oxygen vendors for not standing still. All of the gear we examined represents meaningful improvement in usability, safety and durability. One problem: No single vendor has all the products we liked the most. If money is no o.....