据推算,在我国举行一次全国性的乡级人大代表的直接选举,至少需要433万人的人力投入,3亿元以上的财政支出;举行一次全国性的县级人大代表的直接选举,至少需要533万人的人力投入,6亿元以上的财政支出,而实际的支出很可能远高于此数。如果直接选举全国人大代表,那么所需的人力投入和财政支出必定会更加庞大。这表明（  ）

将下列句子改为陈述句。

①如果下面没有泉水，这么旱的天气，泥土怎么会这样湿呢？

②你用脏手随便抓东西吃，肚子怎么不会长蛔虫呢？

阅读下面短文，将文中划线句子译成中文。
　　Some kids in boarding school often like to talk with their roommates. ____ They won’t stop talking until someone comes to stop them. This is the reason why many of them are sleepy in class the next day. Lack of (缺乏) sleep is bad for their health. Growth hormones (生长激素) are very important if one is to grow taller. ____ The body makes the most hormones between 10 p.m. and 2 a.m. While you are asleep. ____ This means that if you don’t get to sleep at the time, you won’t grow taller.

某商品原价每件x元，后来店主将每件增加10元，再降价25%，则现在的单价（元）是（　　）