短信预约提醒成功
2018年成人英语三级考试重点短语精讲05
1.a group of 一群……
【例句】A group of visitors are visiting Summer Place.
一群游客正在参观颐和园
【总结】a group of属介词短语,后接可数名词.
2. a kind of
一种
【例句】This is a new kind of car. 这是一种新式的汽车.
几分
【例句】She has a kind of genius. 她有几分天才.
【总结】a kind of常可表示不确定的"某种类似"的意思.
3.a knife and fork 一副刀叉
【例句】There is a knife and fork on the table. 桌子上有一副刀叉.
【总结】a knife and fork作主语谓语用单数.用and 连接的并列主语表示不同的人或物时,谓语动词用复数; 表示同一人、物或概念时,谓语动词用单数.
4.(a) lack of 缺乏
【例句】Stress and tiredness often result in a lack of concentration.
紧张和疲劳常使人精神不集中.
5.a large quantity of 大量
【例句】A quantity of baskets were on sale. 大量篮子在出售.
【总结】a quantity of +不可数名词,谓语只用单数,quantities of +可数与不可数名词,谓语要用复数.