题目内容

索引是数据库中一种特殊类型的对象，它与()有着紧密的关系。

查看答案

搜索结果不匹配？点我反馈

更多问题

For this part, you are allowed 30 minutes to write a composition on the topic A Letter Inviting A Foreign Teacher To Visit An Exhibition. You should write at least 120 words following the outline given below in Chinese. Write you composition on the Answer Sheet.
1. 邀请的原因；
2. 通知参加展览的时间和地点；
3. 其他(双方如何见面等)。

In this part, you are required to write a composition entitled Which Is More Important, Degree or Ability in no less than 200 words. Your composition should be based on the following outline:
1．有些人认为学位重要。
2．另一些认为能力重要。
3．你的看法。

GBP、JPY、CHF的买卖差价分别是多少？如果GBP汇率的新报价为1．8768／73，那么与上述报价相比发生了什么变化？

某企业产销A、B、C、D四种产品，有关资料如下表所示：
要求：
计算表中用数字①～⑧表示的项目，列示计算过程；