8.In area it is about the same size as the USA (without Alaska),which has more

than thirteen times as many people.

从面积上讲,澳大利亚大体上相当于美国(阿拉斯加除外),而美国的人口却是澳大利

亚人口的十三倍还多。

英语的倍数表达法,在课文中出现多次,下面归纳如下:

①A is three (four, etc.)times as big(high, long, wide, etc.)as B.(表示是多少倍)例如:

  Asia is four times as large as Europe.

  亚洲是欧洲的四倍大。(亚洲比欧洲大三倍。)

  This box is three times as heavy as that one.

  这个箱子是那个箱子的三倍重。

②A is three(four, etc.)times bigger (higher, longer, wider, etc.)than B.

  表示大(高、长、宽)多少倍。

  The line AB is twice longer than the line CD.

  AB线比CD线长两倍。(AB线是CD线的三倍。)

③A is three (four, etc.)times the size (height, length, width, etc)of B.

  表示是多少倍。

  The new building is four times the size (the height)of the old one.

  这座新楼是那座旧楼的四倍大(四倍高)。(这座新楼比那座旧楼大三倍[高三倍])

   ④The size(the height, width, length)of A is three (four, etc.)that of B.

    表示是多少倍。

    The size of the new building is four times that of the old one.

    这座新楼的大小是那座旧楼的四倍。

   (由于句首已用了the size ,所以four times后用that来代替,以避免重复。)

    以上所讲的四个句型都可以相互转换。

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