Aluminum(铝) remained unknown until the 19th century,because nowhere in nature is it found free,owing to its always being combined with other elements,most commonly with oxygen,for which it has a strong affinity.(亲和力)最后一句为什么不直接for it has...变成原因状...
Grouping together make sense because the bigger the group, the greater the protection it provided.句中 because 后句式结构怎么分析?the bigger the group 没有谓语动词be 感觉说不通,是什么语法现象省略吗?
The inner workings of our own brains we feel to be uniquely worthy of
investigation, but custom, we have a way of thinking, is behaviour at its most commonplace. 这是新概念4 lesson44中的句子。句中的most commonplace在这里是形容词最高级作名词作用吗?是因为前面的its...
Lisa wanted the garden to be a paradise, a place for all—“young and old”. This garden is still much as he intended.请教专家老师:1. This garden is still much as he intended.2. --“young and old” 作a place for all的同位语?破折号的作用是“解释说明”?那双引号...
The question of when the troops should leave would be decided by consensus. The question why they were defeated was answered第二个是同位语从句,第一个是什么结构?感觉两者差不多,但是又有区别?感觉在第一个句子里,去掉 of不...
The Bent Pyramid outside Cairo ______ ancient Egypt’s first attempt to build a smooth-sided pyramid.A. has been believed to have beenB. was believed to beC. is believed to have beenD. is believed to be请问这题的答案为什么选C,可以给我讲解一下这题的语法点吗...