1 . 听下面一段独白，回答以下小题。
1. What is the speaker mainly talking about?

A．A search engine.

B．A language-learning website and app.

C．A free lesson website for teachers.

2. How many people use Duolingo currently?

A．Over one hundred million.

B．A few hundred thousand.

C．Several thousand.

3. Where is Luis von Ahn from?

A．Switzerland.

B．Guatemala.

C．Costa Rica.

4. How was Duoling o originally funded?

A．By big websites.

B．By an actor.

C．By school.

2 . 听下面一段较长对话，回答以下小题。
1. What might the man do?

A．A director.

B．A host.

C．An actor.

2. Where was Cathy born?

A．In London.

B．In Montreal.

C．In Tokyo.

3. What did Cathy major in at university finally?

A．Environmental engineering.

B．The performing arts.

C．Fashion design.

4. What does Cathy talk about at the end of the conversation?

A．Her future plans.

B．Her sources of inspiration.

C．Her travelling experiences.

3 . 听下面一段独白，回答以下小题。
1. What do people in China like using to pay nowadays?

A．Cash.

B．Credit cards.

C．Mobile payments.

2. What does the speaker say about Alipay and WeChat Pay in China?

A．They will never equal Paypal.

B．Old people don’t like to use them.

C．Nearly everyone who has a smart phone is using them.

3. What does the speaker think of mobile payments?

A．Easy and safe.

B．Simple and free of charge.

C．Popular but awkward to use.

4 . 听下面一段较长对话，回答以下小题。
1. How long has Dave been learning Chinese?

A．For one month.

B．For half a year.

C．For one year.

2. Which city did Dave NOT visit?

A．Beijing.

B．Hangzhou.

C．Shanghai.

3. What does Dave like most in Chengdu?

A．The people.

B．The pandas.

C．The history.

4. What does Dave mean at the end of the conversation?

A．Chinese people are always friendly.

B．It’s easy for him to understand Chinese people.

C．Different dialects make it hard for him to understand Chinese people.

6 . 听下面一段较长对话，回答以下小题。
1. Why does Tom want to make an appointment to see Dr. Sharp?

A．To do a physical check-up.

B．To take some medicine.

C．To find a new job.

2. How will the woman inform Tom after receiving the form?

A．By writing to him.

B．By e-mailing him.

C．By calling him.