4 . 听下面一段较长对话，回答以下小题。
1. What kind of car is recommended for fuel efficiency?

A．Hydrogen-powered

B．Hybrid or Electric

C．Gasoline-powered

2. What is one factor that determines the best car for someone to get?

A．Passenger capacity

B．Brand popularity

C．Personal preference

3. What could we infer from the conversation?

A．John is in need of some tips.

B．Ava’s physical condition is just-so-so.

C．John said that this potential deal should rely on personal preference and budget.

7 . 听下面一段较长对话，回答以下小题。
1. Who are Grigori Lup’s regular customers?

A．Actors.

B．Housewives.

C．Businessmen.

2. Why did Grigori Lup make such shoes?

A．To meet his business partners’ need.

B．To make people keep social distance.

C．To become a social media influencer.

3. What happened after Grigori Lup posted pictures on social media?

A．He was laughed at by other shoemakers.

B．He got some orders around the world.

C．He was asked to stop making shoes.

4. How long does it take Grigori Lup to make such a pair of shoes?

A．One and a half days.

B．2 days.

C．3 days.

9 . 听下面一段独白，回答以下小题。
1. Who is the speaker most probably talking to?

A．Dieters.

B．Sports enthusiasts.

C．Market watchers.

2. Why does the speaker take Trevor Hofbauer for example?

A．To state that wearing fitness trackers helps.

B．To prove that running watch-free is beneficial.

C．To clarify that fitness trackers are popular.

3. What does the speaker recommend at the end of her talk?

A．Stopping wearing fitness trackers.

B．Analyzing data from fitness trackers.

C．Reducing reliance on fitness trackers.

4. What does the speaker mainly talk about?

A．The popularity of fitness trackers.

B．The disadvantages of fitness trackers.

C．The development of fitness trackers.