A．to talk with the school board

B．to get their work done in time

C．to voice their opinions bravely

D．to take action to support the proposal

解析：推理判断题。根据下文吉利举行会议说服教育委员会更改提议可知，这位老师是鼓励学生们在面对不喜欢的事情时要勇敢地表达自己的观点。

答案：C

2．What does the underlined word "it" refer to?

A．Jilly's body clock.

B．The scientific research.

C．The meeting Jilly organized.

D．Jilly's secret for time management.

解析：代词指代题。根据上文的"speak to the school board"，"prepare for the meeting"和下文的"30 students came to support me，and the board liked ..."可知，此处的it指上文吉利组织的会议。

答案：C

3．How did Jilly succeed in persuading the school board?

A．By showing scientific evidence.

B．By putting forward a new proposal.

C．By telling different students' stories.

D．By presenting her personal experience.

解析：细节理解题。根据吉利说的"There is scientific research about teens and sleep"和"the board liked that I didn't get emotional and just provided the evidence"可知，吉利通过提供科学证据成功说服教育委员会取消将上课时间提前的决议。

答案：A

Technology is changing the way that many students are learning in school.It's also changing the way that information about students is collected and stored.

Schools have always kept track of information about students such as test scores，number of absences，behaviour，and school－wide graduation rates.But new technology is making it easier for schools to collect more detailed data (数据) about students.Schools around the country are making use of digital tools such as homework sites and apps that track student progress in subjects.Schools can also monitor and track how students behave in class.Much of this data is collected and stored by the technology companies that create the programmes，and not by the schools themselves.

Supporters of these digital programmes say that they enable teachers and schools to identify areas in which students need help and that the programmes make it easier for teachers to plan lessons more easily.

But some parents and educators are concerned that the programmes may not protect students' privacy (隐私)．They worry that information about their children is being collected and stored without their knowledge，and could possibly be sold to other companies."Schools are handing out student data to outside vendors (销售商) without parents knowing about it，" Leonie Haimson，co－chairwoman of a group called the Parent Coalition for Student Privacy，told TFK."We don't know what vendors are going to do with this data and how long they are going to store it for，and