1 . 听下面一段独白，回小题。
1. When did Google come out with Google Home?

A．In 2016.

B．In 2015.

C．In 2017.

2. How many songs does Google’s product have?

A．35 million.

B．2 million.

C．2. 5 million.

3. Which product is aimed at young children?

A．Amazon Echo.

B．Google Home.

C．Mattel’s Aristotle.

4. What is typical of the Mattel’s Aristotle?

A．The lowest price.

B．The earliest product.

C．The best interaction

2 . 听下面一段较长对话，回答以下小题。
1. What is the conversation mainly about?

A．Fighting fires.

B．Detecting fires.

C．Using fires.

2. How many fires did California have in 2020?

A．Around 50.

B．About 400.

C．Over 8600.

3. What size of fire can the new satellites discover?

A．Size of a car.

B．Size of a plane.

C．Size of a sports field.

4. What is more important to the woman?

A．Saving animals.

B．Saving the trees.

C．Saving humans.

5 . 听下面一段独白，回答以下小题。
1. Why does the speaker get excited about the Screen Machine (电影放映设备)?

A．It screens (放映) movies on a boat.

B．It always shows the latest movies.

C．It enables him to see movies easily.

2. How long does it take to change the Screen Machine into a cinema?

A．30 minutes.

B．60 minutes.

C．80 minutes.

3. What is the Screen Machine’s driver responsible for?

A．Selling tickets.

B．Showing the movies.

C．Fixing the motors.

4. What does the speaker mainly tell us in the end?

A．The way of buying tickets.

B．The benefits of the Screen Machine.

C．The cost of building a mobile cinema.

10 . 听下面一段较长对话,回答以下小题。
1. What is the woman doing?

A．Signing up for a dancing lesson.

B．Buying some dancing shoes.

C．Practising a dance performance.

2. Which dance does the woman like most?

A．Ballet.

B．Modern dance.

C．Tap dance.

3. Who wants to join the dancing class?

A．Shelley.

B．Carl.

C．Jane.

4. Why does the woman take dance lessons?

A．To improve her dance skill.

B．To teach others to dance.

C．To enjoy the free lessons.