高二英语下知识点总复习教案

　　(3) cover还有"走......路""看完......书""花......费用"之意。如：① My Car covered 100 miles in an hour. 我的汽车一小时开了一百英里。② Will 150 dollars cover the cost of a new bike? 一百元够不够买辆新自行车?③ How many pages have you covered today? 你今天看了多少页书? ④ Fifty dollars will cover my need for the journey. 有五十元就够付这次的旅费了。

　　(4) cover亦可作"掩护""控制"解释。如：① Two police- men covered the back door and two covered the front.两名警察控制住后门，两名控制前门。 ② Our task was to cover the units that were going to take the hill. 我们的任务是掩护要攻占高地的部队。 ③ While we covered him he crawled forward and find at the enemy. 在我们的掩护下，他匍匐前进，并向敌人射击。

　　(5) cover还有"谈到""涉及"之意。如：① The talks are expected to cover other topics. 会谈估计还会涉及别的问题。② This dictionary does not cover all the English verbs. 这本词典不包括英语的全部动词。③ Their studies cover a wide field. 他们的研究范围很广。

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