单选题 How long is it since you last went out for a walk?
Three days? Three weeks? Three years?

Well, who has time for that kind of thing nowadays?
Your doctor may tell you to get more clean air.
Your friends may tell you to get more exercises.
Your wife may tell you to find something cheap to do.
You would go out and walk for miles, except for one thing,
Walking is boring.
But now science has come to help yon.
Now there is a reason for going out in the countryside.
No more worry about not knowing where to go.
Now the countryside is a forever pleasure.
What could be more interesting than looking for buried (埋藏的) gold while walking?
So now have a look at the new Sherlock Metal (金属) Detector (探测器).
When you are walking with it, you will be very likely to find gold.
Buy yourself a Sherlock Metal Detector, and you'll find yourself out in the open air for hours at a time.
Metal detecting is the great new hobby.

单选题 What is this text written for?

【正确答案】 C

【答案解析】[名师解析] 本文是一篇广告。前面提到，尽管散步有很多好处，它还是一件很无聊的事，然后提出了现代科学可给予帮助，之后文章对Sherlock Metal Detector (Sherlock金属探测器)进行了简单的介绍。本题目问这篇文章的目的是什么，明显地，是为了出售某物。所以C项是对的。

单选题 Why does the text say "now the countryside is a forever pleasure"?

【正确答案】 A

【答案解析】[名师解析] 文章画线部分说现在乡下也变成了一个无尽的快乐之处，后面一句进一步进行了解释，即，在散步的同时寻找埋藏的黄金会是一件很有趣的事，因此A项说“在散步同时可以寻找黄金”，这是对的。而B，C项都是散步本来就有的优处，并不是说明画线部分的原因。

单选题 What is Sherlock Metal Detector used for?

【正确答案】 B

【答案解析】[名师解析] 题目问这个出售的仪器是用来干什么的，理解文章后就可以知道，它是用来寻找黄金的，因此B项“用来寻找某物”是正确的。

单选题 How to use a Sherlock Metal Detector?

【正确答案】 C

【答案解析】[名师解析] 本题目问如何使用这个仪器。通览全文，发现其实文章并没有说怎么使用，因此答案应该是C。