题目内容：

 

When things aren't going so great, there's a saying to encourage us: when life gives you lemons, make lemonade（柠檬饮料）.

That's what 15--year-old Zack Francom has been doing in the past nine years. He does that to improve the lives of people in developing countries. They need wheelchairs but don't have money for there.

It all started in 2010. His school held a fundraiser（募捐会）to raise $86 to buy a wheelchair for a charity. Although Zack was only 6 years old then, he wanted to keep the-fundraising going.

"I thought, `What if I couldn't walk or run or ride my bike? What would that be like?' I wanted to help make life easier for those who couldn't walk or run and didn't have money for a wheelchair to help them get around," he said..

Now hundreds of people line up in April to buy lemonade from Zack's store. In 2014 he sold a lot of lemonade, raising $5,300. With that money he was able to buy 37 wheelchairs at a cost of $143 each and ship them to places like Guam and Guatemala, where a wheelchair can cost more   than a person would make in one year!

Lots of people in poor countries have to pull themselves around with their hands and crawl （爬行）to get around, because wheelchairs are too expensive for them.

"We helped one lady in Guatemala who crawled for 10 miles with her baby on her back," said Zack's mom. "What a difference   it  has made in her life! Stories like this are what keeps Zack going.

Zack has no plan to slow down any time soon. In fact, he hopes other kids will follow him.

1.When was Zack Francom born?

A.In 2004. B.In 2005. C.In 2010. D.In 2014.

2.The fourth paragraph mainly tells us _________________.

A.how Zack helps the poor B.what Zack does to help the poor

C.where Zack buys the wheelchairs D.why Zack buys wheelchairs for the poor

3.According to the passage, how much can a person in Guam make in a year?

A.Less than $86. B.Less than $143. C.More than $143. D.More than $5,300.

4.The underlined word “it” in Paragraph 7 refers to _____________.

A.selling lemonade B.crawling to get around

C.helping the lady D.carrying a baby on the back