1 . 我们乘火车去还是乘船去都无所谓。
________makes no difference ________we go by train ________by boat.

2 . Much to his surprise, the young girl knew bow to perform CPR.(同义句转换)
________ _________ ________ a lot was ________ the young girl knew how to perform CPR.

5 . 然而，他最关心的是农民经常粮食歉收，有时甚至出现严重的食物短缺。
However, ________ was that farmers often had poor harvest and sometimes even________ to eat.

6 . _________ __________ ________me most is that in Chimelong Ocean Kingdom in Zhuhai, we can walk under the world's largest Whale Shark Aquarium.
最吸引我的是在珠海长隆海洋王国，我们可以漫步于世界上最大的鲸鲨水族馆。

7 . _________ __________ _________that one billion people are suffering from hunger in the world.
据估计，目前世界上有十亿人在饥饿中挣扎。

9 . 据估计，这项治理水污染的工程至少要耗费三年的时间。
________ the project to control water pollution will take at least three years.