a beauty 美人
(2)表示抽象的特性、、、、、、、,a/an+抽象名词”或“a/an+形容词+抽象名词”结构。have a sleep 睡觉 die a death 死 take a great interest 表现极大的兴趣 take a look 看 get a high opinion 得到很高的评价 make an apology 道歉 have a good time 玩得高兴 an art 一种艺术 a delicious breakfast (lunch, supper) 可口的早餐(午餐、)
[即境活用1] She is ______ success, ______ woman as she is. A./; /
B.a; a C./; a
Da; /
答案:D
解析:考查冠词。第一空填a,表示“一位成功人士”;第二空 as引导让步状语从句时,句子需倒装且名词前不填冠词。
2.We have_been_excavating layers of ash almost six metres thick, which suggests that they might have kept the fire burning all winter.
(1)句中的have been doing是现在完成进行时。,,,,,for hours, since this morning等,have/has+been+现在分词”。
【注意】现在完成进行时与现在完成时的区别: ①二者都可以表示动作的延续,区别在于:前者更强调动作的延续性,可以说是后者的强调形式。 We have been living here for ten years.(强调还要继续住下去) We have lived here for ten years.(不知道是否已经结束)
②在无时间状语的情况下,前者表示动作仍在进行,而后者则表示动作在过去已结束。 The students have been preparing for the exam.(还在进行) The students have prepared for the exam.(已经结束)
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