A team of engineers at Harvard University has been inspired by Nature to create the first robotic fly. The mechanical fly has become a platform for a series of new high-tech integrated systems. Designed to do what a fly does naturally, the tiny machine is the size of a fat housefly. Its mini wings allow it to stay in the air and perform controlled flight tasks.
“It’s extremely important for us to think about this as a whole system and not just the sum of a bunch of individual components (元件),” said Robert Wood, the Harvard engineering professor who has been working on the robotic fly project for over a decade. A few years ago, his team got the go-ahead to start piecing together the components. “The added difficulty with a project like this is that actually none of those components are off the shelf and so we have to develop them all on our own,” he said.
They engineered a series of systems to start and drive the robotic fly. “The seemingly simple system which just moves the wings has a number of interdependencies on the individual components, each of which individually has to perform well, but then has to be matched well to everything it’s connected to,” said Wood. The flight device was built into a set of power, computation, sensing and control systems. Wood says the success of the project proves that the flying robot with these tiny components can be built and manufactured.
While this first robotic flyer is linked to a small, off-board power source, the goal is eventually to equip it with a built-in power source, so that it might someday perform data-gathering work at rescue sites, in farmers’ fields or on the battlefield. “Basically it should be able to take off, land and fly around,” he said.
Wood says the design offers a new way to study flight mechanics and control at insect-scale. Yet, the power, sensing and computation technologies on board could have much broader applications. “You can start thinking about using them to answer open scientific questions, you know, to study biology in ways that would be difficult with the animals, but using these robots instead,” he said. “So there are a lot of technologies and open interesting scientific questions that are really what drives us on a day to day basis.”
【小题1】The difficulty the team of engineers met with while making the robotic fly was that __________.

A．they had no model in their mind

B．they did not have sufficient time

C．they had no ready-made components

D．they could not assemble the components

【小题2】It can be inferred from paragraphs 3 and 4 that the robotic fly __________.

A．consists of a flight device and a control system

B．can just fly in limited areas at the present time

C．can collect information from many sources

D．has been put into wide application

【小题3】Which of the following can be learned from the passage?

A．The robotic flyer is designed to learn about insects.

B．Animals are not allowed in biological experiments.

C．There used to be few ways to study how insects fly.

D．Wood’s design can replace animals in some experiments.

【小题4】Which of the following might be the best title of the passage?

A．Father of Robotic Fly

B．Inspiration from Engineering Science

C．Robotic Fly Imitates Real Life Insect

D．Harvard Breaks Through in Insect Study

   The job interview is an important part of your job search because it's an opportunity for the employer to figure out if you're right for the job. The following tips may help you prepare for your job interview.
●Dress for success. Professional business clothes are always appropriate, regardless of the type of job you are applying for.
●Be there on time. Try to arrive 5 to 10 minutes early to be safe. Find out ahead of time where you're going and how long it will take you to get there. Drive or travel the route a day or two ahead, at the same time of day as you will on the day of the interview. 【小题1】 Have a backup（备用）plan.
●Let your personality shine. If you're excited about the job, don't be afraid to show it. Employers want passionate employees, so be yourself.
●Be confident. 【小题2】 But just don't let your nerves overpower your interview. Eye contact and a calm, clear speaking voice are excellent ways to show your confidence.
●Watch your body language. During your interview, relax and sit naturally, but don't slouch（没精打采地坐）in your chair or lean on the interviewer’s desk.
●Be polite. 【小题3】 Remember, this is your first introduction to the organization, so be polite to everyone you meet and turn off your cell phone.
●Listen and ask for clarification（阐明）, if you need it. Remember to listen carefully to the interview questions so that you can actually answer the questions, and never interrupt. 【小题4】
●Let them know what you have to offer. When answering the questions, let the employer see what you have to offer to his organization. Talk about your past. experiences and achievements honestly, and tie those experiences to how they can help you contribute to his organization.
●【小题5】 Although you want to be open and honest in your interview, avoid talking about your personal or financial problems.

A．Think before you speak.

B．Confirm how often the buses run.

C．This begins with a smile and a firm handshake.

D．If you believe in yourself, you will surely succeed.

E．Feeling nervous in an interview is perfectly normal.

F．Make sure you have enough to answer the questions.

G．If you don't understand something, just ask for explanation.