主句的比较项为concentrations up to 1000 times higher这个名词词组。up to 1000 times higher为后置定语,higher上向渗透到它所修饰的名词中心词。其对应项在比较分句中作主语是必须省略的。
回答于 2025-03-09 12:13
rather than the other possible benefits前后都用逗号分隔,具有插入语的性质。在此并不是起并列连词作用,而是起介词的作用。
回答于 2025-03-09 00:07
你理解错误。章振邦《新编高级英语语法》在讲述非限定分句的句法功能时(p219-p220)就告诉读者下面句子中的不定式分句为宾补,即you是宾语。I want all of you to listen carefully.
回答于 2025-03-07 23:25
but在此是only的意思,for表示持续时间,即to be silly的持续时间。If (it was) only for one afternoon. 省略的主语it即指to be silly. 以下是网上的原文:Hundreds of Londoners headed down to the Underground on Sunday afternoon, stripped down to their underwear and travelled around a bit, trying to look as t...
回答于 2025-03-07 23:01
one moment at a time是对不定式短语的补充,剑桥语法会分析为补充语,所以用逗号分隔。补充说明改变你心态的方式:一次改变一个要素。
回答于 2025-02-26 14:44
我给你一段deepseek的回答作为解答:Parenthetical adverbials are adverbs or adverbial phrases that provide additional information or commentary within a sentence. They are often set off by commas, dashes, or parentheses, and can be removed without affecting the grammatical structure of the sentence. H...
回答于 2025-02-21 18:04
1. He went to work sick, and despite nasty weather.sick和despite介词短语由and并列,并列连词并列相等的句子成分,所以很显然sick和介词短语都是状语,形容词sick作伴随状语,介词短语为让步状语。2. He couldn’t stand unaided on the soft sand.unaided...为形容词短语作伴随状语。stand在此为站立的意思,形容词作状...
回答于 2025-02-19 18:23