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There are some great differences between a traditional family and a modern one. The first

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客户机/服务器有三个基本组成部分：客户机、服务器、客户机与服务器的连接。()

Now read the passage about animal protection. You will have 45 seconds to read the passage.
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Living in Harmony with Animals
If you are looking to help animals, look no further than your day-to-day activities. Every day offers new opportunities to live more humanely. You don't have to make radical changes—even small changes can make a big difference. The three Rs of humane living—reduce, refine, replace—can help you make choices. Here's an example of how to apply the three Rs to the food you eat. Reduce the amount of meat, eggs, and dairy products in your diet; refine your eating habits by choosing more humanely produced options; and replace animal products with vegetarian choices.

我国城市拉圾处理的总体战略是实行垃圾()、()、()处理。

解决缺水问题,一个是(),即通过修建工程增加供水量;一个是(),即厉行节约用水,提高现有水的使用效率和效益。