'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 1. at once 立刻 2. at last 最后 3. at first 起先，首先 4. at the age of 在岁时 5. at the end of 在之...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 某些介词的用法辨析：⑴ 时间或地点介词in、on、at的用法区别：表示时间时,in表示在一...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 表示计量的介词：at, for, by 1. at 表示以速度以价格。 It flies at about 900 kilometers an hour. 它...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 表示材料的介词：of, from, in 1. of 成品仍可看出原料。 This box is made of paper. 这个盒子是纸...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 表示工具或手段的介词：by, with, on 1. by 用某种方式，多用于交通。 I went there by bus. 我坐...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 介词短语的句法作用：介词短语相当于一个形容词或副词,可用作状语、定语和表语。如...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 介词by的用法 1、 意为在旁，靠近。 Some are singing and dancing under a big tree。 Some are drawin...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 介词短语在句子中的位置：介词短语做状语时,如果表示时间/地点,可以放在句首或句尾...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 表示方位的介词：in, to, on 1. in 表示在某地范围之内。 Shanghai is/lies in the east of China. 上...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 例题 例1： Do you know any other foreign language ____English? A except B but C beside D besides 解析：A、...