1 . 据报道，最近发现的一颗行星几乎是地球的三倍大。(倍数句型)
It is reported that a new planet that has been discovered recently is almost ________ the earth.

2 . 就在这样的场景中央，我看到一个小女孩，她的脚踝是正常尺寸的两倍大。
In the middle of this particular scene I spot a small girl _________.

3 . 由于工业发展，发达国家的温室气体的排放量比发展中国家的多两倍。 (倍数表达)
________ industrial development, ________ emissions in developed countries ________ in developing countries.

4 . 杰西卡付出了以前三倍的时间和精力，所以我相信她这次能成功。(倍数表达法)
Jessica devoted ________ she did before, so I believe she will succeed this time.

5 . 当你研究当地的地图时，你会发现这座城镇是那座的两倍大。
When you study the local map, you’ll find _____________________.

6 . 倍数表达法

中国最近在太空探索方面取得的成就是十年前的好几倍。

China recently have made ________________ in space exploration as those of one decade ago.

7 . 然而，生产纸袋的耗能为塑料袋的四倍，耗水则多达三倍。(倍数＋as＋much＋不可数名词＋as)
However, making a paper bag uses________________making a plastic bag and up to three times the amount of water.

8 . 倍数表达法
[例句]　Olympus Mons, the largest volcano on Mars, is about twice as high as Mount Qomolangma.
[仿写]　Generally speaking, the plane flew ____________ the kite.
一般来说，飞机飞行高度是风筝的十倍。

9 . 新建的戏院是原来的三倍大。
This newly-built theater is three times the size __________________ the original one.

10 . The size of the newly broadened library is three times what the previous one was. (句型转换)
①The newly broadened library is ________________ the previous one.
②The newly broadened library is ________________ the previous one.
③The newly broadened library is________________the previous one.