完型填空 （本题有15个小题，每小题1分，共15分） 阅读下面短文，掌握大意，然后从A、B、C、D四个选项中选出最佳选项。 A professor stood in front of his class _______ some things on the table. When the class began, he picked up a very large and empty(空的 ) bottle and tried to fill(装) it with ________ stones. He then asked the students if the bottle was full. They _______that it was. Then the professor picked up a box of small stones and put _______ into the bottle. He shook the bottle. The small stones rolled into the open areas between the big stones. He then asked the students if the bottle was full. They agreed it ______. The professor picked up a box of sand（沙子） and poured it into the bottle. Of course the sand filled up the remaining (留下的 ) open areas of the bottle. “ Now”, said the professor, “ I want you to know that this bottle _______ your life. The big stones are the _________ things like your family, partners, health and children. The small stones are the other things that matter like your job, house and car. The sand is everything _______, the small things. ________ you put the sand into the bottle _________, there is no room for the stones. The same goes for your _________. If you ________ all your time and energy on the small things, you will ________ have room for the things that are important to you. Please put the big stones first. They are the things that are _________ important.