新概念英语第一册 89 90课语法及单词解析

发布 2020-09-14 23:55:28 阅读 4756

新概念英语第一册:89-90课。

语法及单词解析。

篇一】语法grammar in use

for与since

现在完成时还可以描述发生在过去且一直延续到现在的动作,这种动作甚至有可能延续下去。在这种情况下,它一般与for+一段时间、since+某个时间点连用。如:

how long has lan lived in the house ?

伊恩在这幢房子里住多久了?

he’s lived here for twenty years.

他在这里住了20年了。

since when has he been there ?

他是从何时起就在那儿的?

since 1976.

从2024年起。

请注意:for+一段时间表示某个动作持续多长时间;since+某个时间点表示某个动作是何时开始的。

篇二】词汇学习word study

retire v.

1)退休;离职:

he retired at the age of 60.

他60岁时退休了。

he's going to retire soon from the sea.

不久他将退休,结束其航海生涯。

2)退出;退隐:

he often retires to his country house at weekends.

他周末通常到他那个乡间别墅生活。

the ladies retired, and the gentlemen went on drinking and chatting.

女士们离席退出,先生们则继续喝酒聊天。

篇三】worth prep.

1)相当于……价值,值……钱:

the new house would be worth 50, 000 pounds.

这座新房子会值50,000英镑。

how much is the necklace worth?

这条项链值多少钱?

2)具有……价值;值得:

that city is worth visiting.

那座城市值得一游。

is the film worth seeing?

这部电。影值得一看吗?

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