阅读下列短文，根据短文内容，回答下列问题。
Save water, save lives
A BOTTLE of water may not seem like much to you, but it can save the day for people who live in drought-hit (遭受旱灾) areas in China.
In the past few months, some places in southwest China experienced a serious drought. In Yunnan, Guangxi, Sichuan, Guizhou and Chongqing, there has been very little rain since last autumn. Crops died, the land cracked, and wells (井) and rivers dried up. More than 20 million people are having difficulty finding safe drinking water.
After learning about the drought, many people around the country helped by giving water, money and other resources.
Last week, China asked every member of the Communist Youth League (团员) and Young Pioneers (少先队员) to give one bottle of water to the drought-hit area. Students in primary schools and middle schools quickly joined the activity.
“A bottle of water isn’t much, but thousands of bottles will be of great use,” said Zhang Zihao, a middle school student at Tongling No 1 Middle School in Anhui.
In Yuhua Primary School in Xi’an, 900 students bought over 100 bottles of water with their pocket money. They also wrote their wishes on the bottles.
The serious drought has also made students realize the importance of saving water.
Students from Nanshan Middle School in Huizhou in Guangdong went on the street to tell people to take part in water-saving activities.
“I heard that some children in drought-hit areas don’t have enough drinking water. They have to drink muddy (泥泞的) water. I feel really sad about that,” said one student. “I decided to take a shower twice a week instead of every day to save water.” he said.
【小题1】Why did a serious drought happen in Southwest China?
【小题2】What does the underlined（划线的）word “cracked” probably mean in Chinese?
【小题3】What did people do after learning about the drought?
【小题4】Is a bottle of water helpful for the people in drought-hit areas?
【小题5】What can you learn from the passage?
Because there has been very little rain since last autumn.
网友回答
(答案→)Because there has been very little rain since last autumn.
解析：
【小题1】根据文章第二段前两句“In the past few months, some places in southwest China experienced a serious drought. In Yunnan, Guangxi, Sichuan, Guizhou and Chongqing, there has been very little rain since last autumn.”说“在过去的几个月里，中国西南部的一些地方遭受了旱灾。在云南，广西，四川，贵州，重庆从去年秋天开始降雨很少。”可知该题答案为Because there has been very little rain since last autumn.
【小题2】猜测词义，根据句子Crops died, the land cracked, and wells (井) and rivers dried up.为三个并列句，该词和died，dried up属于并列关系的词语属于同类词。 庄稼死亡，河流干涸，土地裂开、裂缝。
【小题3】问在人们了解干旱情况后做了什么，根据第二段最后一句话“After learning about the drought, many people around the country helped by giving water, money and other resources.”可知答案为They helped by giving water, money and other things.
【小题4】问一瓶水对于干旱地区的人们来说有没有帮助，根据第四段第一句话“A bottle of water isn’t much, but thousands of bottles will be of great use,” said Zhang Zihao, a middle school student at Tongling No 1 Middle School in Anhui.可知答案A bottle of water isn’t much, but thousands will be of great use.
【小题5】考察学生对全篇文章的理解，文章要求人们从一滴水，一瓶水做起节约用水，支援灾区人民所以答案为It’s time for us to save water.