<例句>
In the past thirty years or so, scientists have been able to “see” farther and farther into sky.
在過去三十年左右的時間里,科學家已可以觀測到越來越遠的太空。
<語法分析>
有關約數(shù)的表示法, or so表示“左右”,“大約”可以用about, nearly, some 和 around等表示,用over, more long 可以表示“多余、超過”的意思。用or more和or less 來表示“或......以上”和“或......以下”的意思?;鶖?shù)詞常位于another和all后面,such和more的前面,可以謂語last, next和other的前面或后面。
<觸類旁通>
(1) The pig weights abouts 60 pounds.
這頭豬大約60磅重。
語法分析:用about, nearly, some和around等詞表示“大約”。
(2) The road is over 3,000 meters long.
這條路有3000多米長。
語法分析:用over, more long可以表示“多于、超過”等意思。
(3) He is less than fifteen years old.
他不到15歲。
語法分析:“少于、不超過”用less than 表示。
(4) This room is twice as big as that one.
這個房間的大小是那個房間的兩倍。
語法分析:主語 + 謂語 + 倍數(shù)或分數(shù) + as + 形容詞 + as 句式表示倍數(shù)。
(5) I offer ten times the amount of money that he has borrowed.
我愿出十倍于他借的錢。
語法分析:主語 + 謂語 + 倍數(shù)或分數(shù) + as + the size + of 句式表示倍數(shù)。
(6) Line A is four times longer than Line B.
線A比線B長4倍。
語法分析:主語 + 謂語 + 倍數(shù)或分數(shù) + 形容詞或副詞比較級 + than句式表示倍數(shù)。
<鞏固練習>
(1) The hall can hold 100 people _____ more.
(2) There are 1,000 workers _____ less in our factory.
(3) I have four times _____ many books as you.
(4) We shall produce twice as much gram _____ we did in last year.
(5) The length of this rope is three times the _____ of that one.
(6) She has four times _____ money than I have.
(7) The grain output is 5 percent higher this year _____ than of last year.
(8) The production of iron has been increased _____ five times this year.
<參考答案>
(1) or (2) or (3) as (4) as (5) length (6) more (7) than (8) by