Question

As scientists in the Netherlands tried to figure out how to build a super flying robot, they learned from one of nature s flyers: the humble fruit fly(果蝇).And by building this robot, they’ve gained new insights into how the fly carries out one of its dangerous tasks.

The robot is called the DelFly Nimble Its wingspan(冀展)is about a foot wide. It has four wings that can beat at 17 times per second, which appear very delicate because they’re made of the same material as space blankets.

In the previous designs. they always had a tail, like a traditional airplane tail, said the robots main designer Matej Karasek. He’s based at the Micro Air Vehicle Laboratory at Delft University of Technology in the Netherlands, and he and his colleagues published their findings on Thursday in Science

“In the previous generations", he said, "flapping wings drove the robot forward while the tail helped to guide and stabilize it. But now the DelFly Nimble is completely controlled by the wings. The challenge then was actually combine the control into the wing movement, and that’s what we achieved, Karasek said

In the latest generation. the wings can each move individually or rotate(旋转)around the body of the robot in order to maximize the machine s agility(灵活 ) The robot can remain in one place in the air for about five minutes on a full battery or fly for more than a kilometer"， Karasek said, "And because the scientists are controlling all the movements, they can use the robot to learn more about how fruit flies actually carry out their dangerous tasks, which has caught the attention of biologists.”

1.Where did scientists get the creative idea of the flying robot?

A. From a fruit fly    B. From the birds wings

C. From some fruit    D. From an airplane

2.What does the underlined word "it" in Paragraph 4 probably refer to?

A. A full battery.    B. A flapping wing.

C. The DelFly Nimble    D. The humble fruit fly

3.What interests biologists most about fruit flies?

A. That they are very tiny insects.

B. That they conduct challenging tasks

C. That they can be easily found in the world.

D. That they have light wings and fly quickly.

4.Where is the text probably taken?

A. A research paper.    B. A travel brochure

C. A health magazine    D. A chemistry textbook

Answer

1. A

2. C

3. B

4. A

【解析】

本文为说明文。文章介绍了一款荷兰科学家们发明的新型飞行机器人。

1.细节理解题。根据第一段中的As scientists in the Netherlands tried to figure out how to build a super flying robot, they learned from one of nature s flyers: the humble fruit fly(果蝇).（当荷兰的科学家们试图弄清楚如何建造一个超级飞行机器人时，他们从大自然的传单中学习到了一个：低等果蝇）可知，科学家从果蝇那里得到了飞行机器人的创意。故A选项正确。

2.词义猜测题。根据第四段中的“In the previous generations", he said, "flapping wings drove the robot forward while the tail helped to guide and stabilize it.（“在前几代机器人人中，”他说，“拍动翅膀推动机器人前进，而尾巴帮助引导和稳定它。）可推知，it指代的科学家们发明的飞行机器人，即The DelFly Nimble。故C选项正确。

3.细节理解题。根据最后一段中的And because the scientists are controlling all the movements, they can use the robot to learn more about how fruit flies actually carry out their dangerous tasks, which has caught the attention of biologists.（因为科学家们控制所有的运动,他们可以使用机器人来了解更多关于果蝇如何执行危险的任务,这已引起了生物学家的关注。）可知，生物学家们对果蝇最感兴趣的是它们所进行的具有挑战性的任务。故B选项正确。

4.推理判断题。本文主要介绍了一款荷兰科学家们发明的新型飞行机器人。应该来自于研究论文。故A选项正确。