【题文】What are used as chief building materials today___(be) steel and concrete. (用所给词的适当形式填空) 相关知识点: 试题来源: 解析 【答案】 are【详解】 考查时态和主谓一致。 句意:今天用作主要 建筑材料的是钢和混凝土。 由are可知,句 子时态是一般现在时, 由“steel and concrete"可知, ...
百度试题 结果1 题目What___used as chief building materials today___steel and concrete. A. have been . . . are B. is . . . are C. are . . . are D. are . . . is 相关知识点: 试题来源: 解析 答案:C 反馈 收藏
what ARE used as chief building materials today 如果变成陈述句，steel and concrete are used as chief building materials today, 主语一眼就看出是复数steel and concrete （钢筋和水泥是两种物质，是复数概念） . 再说，后面的building materials 也是复数形式。
ait helps to relieve the internal stresses,and makes the steel less brittle than before 它比以前帮助解除内应力,并且使钢较不易碎[translate] a9月27日时和袁小姐确认过单价是不包括配件8.0元 配件是2.7元,总共10.75元 When September 27 and Miss Yuan had confirmed the unit price including the fitting...
Price Relationship Between Stress and Strain The relationship between stress and strain has been obtained experimentally. Let’s take a metallic bar as an example. If it is bent only slightly, the bar will return to the original straight state. However, if the bar is bent forcefully, it will...
ait is much shorter than a bolg 它比bolg短[translate] aYou are thirteen years old. 您是十三年。[translate] a[5] Price, L., Sinton, J., Worrell, E., et al. (2002) Energy use and carbon dioxide emissions from steel production in China. Energy, 27, 429-446. (5) 价格, L., Sint...
结果1 题目What ___ used as chief building materials today __ steel and concrete. A. have been … are B. is … are C. are … are D. are… is 相关知识点: 试题来源: 解析 C. are … ar e D. a re … i s 反馈 收藏
is growing and profit is hit twice in succe is internet society is it a bit over the is it a tale of gods is it me or is the me is kept out backgroun is killing me now is knowing what to th is lovened to is more than just an is my message breakin is not is not i sit ...
what if today is as g what is a force what is a simulation what is brighter than what is fanily what is fixed price s what is forgiveness what is he like what is language for what is left to do what is not wisdom is what is pragmatics what is she famous fo what is the cause ...
Open top containers are open at the top – perfect for over height cargo. Instead of a roof, a tarpaulin sheet is used to keep cargo protected. 20ft hard top containerHard top containers have a hard detachable steel roof and are used to carry large construction materials, machinery and ...