Don’t use your cellphone — we are flying at ____ altitude of 10,000 meters and _
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Don’t use your cellphone — we are flying at ____ altitude of 10,000 meters and ____average speech is 678km/h.A.an; the | B.the; the | C.the; an | D.an; an |
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答案
A |
解析
试题分析:句意:不要使用手机—我们现在正在1000米的高空飞翔,平均速度是678km/h. altitude元音音素发音,表示海拔多高时用不定冠词an,第二空用the表示特指飞机的速度,故选A 点评:冠词是中学英语必须掌握的语言点。分为定冠词、不定冠词及零冠词。定冠词the表特指或是双方都知道的人或物,不定冠词a/an表泛指,以元音音素发音开头的单数可数名词要用an,这类题要特别注useful,European,university等词中都是用a,零冠词即不用冠词的情况,多见于一些固定结构中。 |
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