1 . 听下面一段独白，回答以下小题。
1. What led to Puri’s research?

A．A wildlife exhibition.

B．Her family’s hope

C．A market visit.

2. What’s the problem with present monitoring systems?

A．They aren’t accurate.

B．They can’t catch pictures

C．They can’t locate hunters

3. How does ELSa work?

A．By using better visual recognition.

B．By analyzing movement patterns.

C．By studying animals’ living situations.

4. What does Jasper think of ElSa?

A．It is not as good as his system

B．It will stop much illegal hunting.

C．Its performance needs to be proved.