2014高考英语二轮短文语法填空训练题（9）及参考答案（解析）
该资源针对2014英语高考必考短文语法填空的情况，搜集、整理了历年的短文语法填空，都有参考答案，有的附有参考答案的解析，排版工整，具有参考价值。
广东省语法填空
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。
If the population of the Earth keeps on __1__(increase) at its present rate，there will __2__(event) not be enough resources left to support life on the planet. By the middle of the 21st century，if present trends continue，we __3__(use) up all the oil that drive our cars, for example. Even if scientists develop new ways of feeding the human race, the crowded conditions on Earth will make it __4__(necessity) for us to look for somewhere else. But __5__ of the other planets in our solar system are capable of supporting life at present. One possible solution to the problem，__6__， has recently been suggested by an American scientist, Professor Carl Sagan. Sagarn believes that __7__ the Earth’s resources are completely __8_(exhaust) ，it will be possible to change the atmosphere of Venus and __9__ create a new world almost as large as Earth itself. Something is difficult. Venus is much hotter than the Earth. __10__， there is only a tiny amount of water there.
1．[解析] 考查短语keep on doing的用法。
