句子结构为“___ all the metals, iron is...”,需填入一个表示“在……之中”的介词。逐项分析如下: - **A. At**:通常用于时间或具体地点,如“at 5 o'clock”或“at the park”,不符合语境。 - **C. Of**:“Of all...”是固定用法,表示在某一群体或范围内比较(如“Of all students, she...
1. Iron is a kind of metal ().2. This bag is made of plastic ().3. There is the least amount () of glass.4. She sorted () the books into big ones and small ones just now. 相关知识点: 试题来源: 解析 I. 1. metal 2. plastic 3. amount 4. sorted ...
In our eyes, for sintering to be considered high-temperature, it needs to happen at around 100-250 °F hotter (in the case of iron-heavy materials) than the standard sintering temp for a particular metal. For iron-heavy metals, the typical temperature is 2050 °F. High-temp sintering is...
The metal glass null which is rich in the iron which has the soft ferromagnetism which high saturation magnetic induction and excels in high magnetizationA magnetic metallic glass alloy exhibits, in combination, high saturation induction and low magnetic anisotropy energy. The alloy has a composition...
Previous work indirectly suggested that the MBD has a lower affinity for iron than for zinc (12). To demonstrate that the MBD of SecA can bind to iron, we investigated the effect of the MBD on the EPR spectrum of Fe3+. (Fe2+ is not detectable by EPR.) The addition of a metal-free...
百度试题 结果1 题目7. Iron (铁) is a kind of metal(金属). 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Iron is more useful ___ any other metal. A. as B. than C. then D. so . 相关知识点: 试题来源: 解析 B . 关键词(句):useful 有用的 翻译:铁比其它任何金属更有用。 more useful 是比较级,比较级常与than(比)连用,表示两者之间的比较,其意为“比···更”,所以答案为B. . 反馈 收藏...
Iron is a brittle, hard substance, classified as a metal inGroup 8 on the Periodic Table of the Elements. The most abundant of all metals, its pure form rapidly corrodes from exposure to moist air and high temperatures. Iron is also the fourth most common element in Earth's crust by we...
of metal or wood. It generally has a rounded rectangular shape that is slightly narrower on one end than the other. Ironing board tops can be part of a unit that is portable with legs below, attached to a door or other stationary position on hinges or permanently located on top of a ...
Steel/Iron (Think rusty old metal) Step 1: Go to your fridge and take that magnet for your favorite pizza place off. Then take that magnet and stick it on some metal; anything that it will stick to is magnetic and most likely is steel oriron. After you get a little more skilled in...