Liu Xiuxiang was born in a poor family.When he was 4，his father died.His mother developed mental（精神的）health problems.When he was 10，his elder brother and sisters left and never returned.To make a living，Liu collected rubbish，and in high school he worked 18 hours a day during summer vacations.However difficult it was，he never gave up his study.

In 2007，Liu failed the Gaokao.He got lost.He wondered if he should continue studying.After working in a bathhouse for about 50 days，he decided to go back to school.In 2008，h finally passed the Gaokao and went to university.

After graduation，he became a history teacher in his hometown. "I want to come back to tell the children，who are as poor and lost as I was，that education has changed my life. "Liu set a good example for them to take control of lives through education.

Now Liu gives speeches around the country.His story inspires（鼓舞）many students and encourages people to help those from poor families.Since 2012，he has helped more than 1，900 students and called on more teachers to work in poor areas to improve the quality（质量）of education.

Liu was titled "the most beautiful teacher" in 2020.His story moves us a lot.

（1）How long did Liu Xiuxiang work during summer vacations in high school？ 　    　

A．	4 hours a day.
B．	10 hours a day.
C．	12 hours a day.
D．	18 hours a day.

（2）The underlined word " lost" in Paragraph 2 probably means " 　 　.

A．	丢失的
B．	错过的
C．	迷路的
D．	迷茫的

（3）Liu Xiuxiang set a good example for the children to take control of lives through 　    　.

A．	speeches
B．	money
C．	education
D．	jobs

（4）The passage is written in the order of 　    　.

A．	space
B．	time
C．	persons
D．	opinion