【推荐1】听下面一段独白，回答以下小题。
1. What can be a challenge of body cameras?

A．The type of equipment.

B．Storage methods.

C．Downloading fee.

2. Who mainly use the body camera now?

A．Teachers.

B．Students.

C．Officers.

3. Where can the camera be put?

A．On head.

B．In the middle of the chest.

C．In hand.

4. What does the speaker mainly talk about?

A．The uniqueness of body cameras.

B．The plan to replace body cameras.

C．The use of body cameras in Houston.

【推荐2】听下面一段独白，回答以下小题。1.

A．Because they want to relax.	B．Because they have a lot of leisure time.
C．Because they are looking for fun.	D．Because they want to find something valuable.

2.

A．They are tired of luxurious but not practical goods.

B．They want to get value for money.

C．They appreciate the real crafts of the old workman.

D．They consider the price of used goods reasonable.

3.

A．Popularity of second-hand books.	B．Real artist works in the past.
C．A real bargain in local bookstores.	D．A new fashion about second-hand goods.

【推荐3】听下面一段独白，回答以下小题。
1. What helps women find more scientific clues?

A．Their sixth sense.

B．Their world view.

C．Their research methods.

2. Who contributed to the development of the air conditioner in cars?

A．Katie Hainer.

B．Rosalind Franklin.

C．Margaret Wilcox.

3. What does the radio program mainly focus on?

A．Public opinions on science.

B．Major scientific breakthroughs.

C．Untold stories of female scientists.