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- There are a number of extra services at the Glorietta Bay Inn including baby-sitting. 主题句常常位于段首或段尾处，那么，这些段落所围绕和要说明的问题就是该文的中心思想。
- The coin-operated laundry room has an ironing board.D.There are a number of extra services at the Glorietta Bay Inn including baby-sitting. 因此，B 符合题意，倘若在一段文章中包含了以上A、B、C、D 几条信息，那么，B 就是该段的中心思想。
- Beyond the 64 MB basic system, a decent number of extra applications are set up to be installable over a network - while a Feather system is still running. 除了64 MB大小的基本系统以外,还可以通过网络安装相当多的额外的应用程序尽管Feather系统仍然在运行。
- The number of fish in coastal waters has decreased. 沿海鱼的数量已减少了。
- A number of new hats were on parade at the wedding. 在婚礼上见到有些人戴著新式的帽子。
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- I seriously question a number of your assertions. 对你所坚持的说法，有几点我甚为怀疑。
- A considerable number of guests have come. 相当多的客人已经来了。
- A number of possibilities come to mind. 我脑里出现了好几种可能性。
- Only a limited number of places are available. 只有少数地方可供使用。
- By extension, an array of any number of dimensions. 广义来说，矩阵可以是任意维数的数组。
- The number of day lose through strike have fall. 因罢工而失去的工作日减少了。
- The number of your finger is ten. 你双手手指的总数是10。
- A number of (ie some) problems have arisen. 已经出现了一些问题。
- A number of cables are needed in this project. 这项工程需要大量电缆。
- I have a number of important things to do today. 今天我有许多重要事情要做。
- I have five times the number of Tom's books. 我有五倍于汤姆的书。
- Only a limited number of places is available. 只有少数地方可供使用。
- The approximate number of boys in the school is300. 这所学校男生数约为三百名。
- The two writers have a number of tilt in print. 这两位作家写过一些文章互相攻击。
