单项选择题

Once there is a threat to our water supply water can quickly become the only thing that matters.（）

A．只有水源受到威胁，水很快就会变成唯一重要的物质。
B．供水一度出现危机，所以水很快就成了唯一紧缺的物质。
C．供水一旦受到威胁，水很快就会成为唯一至关重要的问题。
D．有一次水源曾遭受污染，水成了人们唯一不能很快解决的问题。

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Caravan Inn(凯乐温旅店)The Caravan Inn is located on the way to Sunlight Hill and only ten blocks (街区) south of the shopping center on Grand Avenue. Its modern rooms and plenty of additional facilities guarantee family satisfaction. A heated water pool and hot bath are open year round and provide fun for everyone after a day of mountain climbing. A big breakfast is served daily in the Caravan Inn, but suites (套房) with kitchens are also available for families who would rather prepare their own meals.

单项选择题

With so many companies cutting back on their workforce lately, do you know how an employee can hold onto his current job ？（）

A．随着后来这么多的公司要进入劳动市场，你知道一个雇员对工作流动是如何想的吗
B．由于以后有这么多的公司将削减劳动力，你知道一个雇员怎样去做才能保住其工作吗
C．鉴于最近如此众多的公司在进行裁员，您知道作为一个雇员如何才能保住自己目前的工作吗
D．既然如此众多的公司将在劳动力市场上竞争，你知道作为一个雇员如何才能继续做好他目前的工作吗