During test dives, SoFi moved alongside the ocean life at depths of 50 feet for up to 40 minutes at a time, taking photos and making videos. The researchers say sometimes the fish would swim alongside the strange-looking robot-fish out of curiosity, while at other times they took no notice of its existence.

　　While SoFi presently only records video, future versions will include sensors. The researchers also hope to make it more autonomous. "We imagine someday it might help us uncovers more secrets from the amazing underwater world that we know so little about," says Rus.

　　12．What can we learn about SoFi?

　　A．Its tail is flexible. B．It is the first AUV.

　　C．It is closely controlled. D．Its presence scares sea animals.

　　13．What can be learned from paragraph 3?

　　A．Sound waves travel faster than radio.

　　B．Radio does not work well underwater.

　　C．Previous AUVs use radio to communicate.

　　D．A boat travels along with SoFi on the water.

　　14．How does SoFi differ from traditional AUVs?

　　A．It is controlled above.

　　B．It can avoid a collision.

　　C．It can smartly adjust its movement plan.

　　D．It is set for a collision-free path.

　　15．Where is the passage possibly taken from?

　　A．A news report. B．A science fiction.

　　C．A social website. D．A short biography.

二、七选五

　　 Behind every great product is a great team. Teamwork in the workplace offers the staff the opportunity to become more familiar with each other and learn how to work together. 16．. There are several ways in which teamwork is important to the success of the company and to the development of each employee.

　　Efficiency (效率)

　　Work teams develop systems that allow them to complete tasks efficiently. 17．, the team's work pace makes sure that the task is completed quickly and accurately. This allows the company to take on more work and also lets the company increase more income without having to add more staff. This becomes helpful when efficient teams from different departments work together.

　　Support

　　18． And a strong team environment can act as a support system for staff member. Work group members can help each other improve performance and work together toward improving professional development. Team members come to rely on each other and trust each other. 19．, these bonds can be important.

　　Ideas

　　Teams in the workplace often met to discuss how to deal with company problems. When a team works well together, it allows staff members to feel more comfortable in offering suggestions. Team members become accustomed to processing brainstorming information.

　　20．.

　　A．There are challenges each day in any workplace

　　B．When the team faces a particularly hard challenge

　　C．We all know teamwork helps companies earn more money

　　D．When a task is handed to a well-trained and efficient team

　　E. It is also the fuel that allows employees and companies to have success

　　F. The company surely benefits from various suggestions given by efficient teams

　　G. One of the main benefits of a strong team environment is to share ideas with each other

三、完形填空

　　 I was biking on a trail after work. About 2 miles of biking down the trail I passed another group of 21 , and almost directly after them, I saw a key in the middle of the trail. I picked it up, and 22 it was a new style Jeep key. I turned around and 23 to catch up with the group, but they were too fast and I was a bit out of 24 .

　　I made it all the way back to my car, asking people along the way if they had 25 dropped a key. I was pretty tired at that 26 , but started down the trail again on my bike, thinking they went in the other 27 . After going about 4 miles down the trail asking everyone I saw but without 28 , I finally made it back to my car, and drove up the mountain road, looking for Jeeps. I held the key out of the window and 29 the panic button, but no luck. I 30 the previous thought and decided I would somehow 31 online that I found a missing key.

Heading back down the mountain, I passed where I had 32 earlier and passed all the 33 I had seen while on my bike. At the last 34 , I saw a girl sitting on a brand new Jeep. I made a u-turn, and 35 right behind the Jeep while holding the key out of the 36 . I could tell she had been