根据上面的广告内容，判断下列句子正误。

     Hi. Come and have a look. We have many things on sale in our school. The pen is ￥1.00 yuan. The

color pen is ￥1.50 yuan. The ruler is ￥ 0.50 yuan. The books are ￥5.00 yuan each. And there's more.

Welcome, come and have a look for yourself.

(      )1. The ad is for a clothes shop.

(      )2. They have many things. They are not cheap.

(      )3. You can buy two color for ￥3.00 yuan.

(      )4. The book is ￥2.00 yuan.

(      )5. We can buy many school things in this shop.

治疗窦性心动过速首选下列哪一药物

A．胺碘酮
B．苯妥英钠
C．普萘洛尔
D．利多卡因
E．奎尼丁