题目内容
The first working airplane was invented and flown by the Wright brothers，Wilbur Wright（1867—1912）．And Orville Wright（1871—1948）Their “Wright Flyer” was a biplane with a wooden frame．The power was supplied by a 12-hoursepower engine．
Orville and Wilbur Wright were raised in Dayton，Ohio．Although they did not go to college，the brothers had great technical ability．Before building their airplane，they had built a printing press and lain a bicycle repair and sales shop．They made their own bicycles and the money earned from their bicycle business funded their airplane-building．
The brothers' first glider（滑翔机），tested in 1900，failed to fly．A second trial in 1901 was better，but they went on improving the design．Later that year，the brothers tested over 200 wing and airframe designs，which resulted in a successful glider model．They also designed a 12-horsepower engine to power the flight of a two-propeller（双螺旋桨）plane．The machinist Charles Taylor helped them build a new plane which would use this engine．
They began test flights in 1903．After days of trials，the plane finally flew into the air，staying up for 12 seconds，it flew 120 feet．That day，the brothers took turns flying the plane．On the last flight that day，Wilbur flew 852 feet in 59 seconds．
During the next few years，the brothers developed more planes．They later formed the Wright Company，which built and sold their airplanes．Wilbur Wright died in 1912；Orville died in 1948．The Wright brothers' famous airplane，the “Wright Flyer” is on show at the National Air and Space Museum in Washington，D．C．USA．
1．What is this passage mainly about?
A．When the Wright brothers flew their first plane．
B．How the first working airplane was invented．
C．The Wright brothers as great inventors．
D．A brief introduction to the life of the Wright brothers．
2．How did the Wright brothers get the money to build airplanes?
A．By selling printing machines． B．By repairing machines for others．
C．By making and selling bicycles． D．By collecting money from others．
3．According to the passage，all of the following statements are correct EXCEPT that ________．
A．both of the Wright brothers flew the “Wright Flyer”
B．the Wright brothers designed a 12-horsepower engine to power a two-propeller plane
C．the Wright brothers’ first flight lasted for nearly a minute
D．the Wright brothers had great technical ability
4．We can learn from the passage that ________．
A．the Wright brothers were well educated
B．Charles Taylor was also a great inventor
C．the “Wright Flyer” is on show around the world now
D．the Wright brothers’ flying trials didn't succeed at first
5．We can infer from the passage that ________．
A．the Wright brothers lived a very poor life when young
B．Wilbur Wright died in a plane accident
C．the Wright brothers had good business sense
D．the Wright brothers were the first people to dream of flying
BCCDC
高效智能课时作业系列答案
捷径训练检测卷系列答案Every year mobile phones develop. Imagining what they will look like and be able to do in 2020 is really a challenge. To help, experts have outlined three major mobile trends that they believe will have become reality by then.
Our phones will be so smart in 10 years’ time that they’ll know everything about our situation and warn us when something needs our attention. This is the top prediction of both Nokia and Google. They predict that our cars and home appliances will be able to communicate with our mobile. For example, fridges will tell your mobile to tell you to pick up milk on the way back from work. While driving, your mobile will suggest that you take a different route because there’s a road accident up ahead.
The second trend is in gesture-based controls. People who know the iPhone’s touch-sensitive screen are already familiar with the technology. It translates hand movements into actions on-screen. But gestural communications will make the phone more convenient to use and may completely replace touchpads. According to industry insiders, the most immediate step forward in gestural technology will be in voice recognition. It’s believed voice recognition technology will speed up communications. It is quicker to speak than type. Eventually, phone screens will disappear.
The third major development will change our understanding of a mobile phone. From a single phone, the mobile will be developed into multi-part devices. It is opposite to the current trend in which mobile phones are combining the functions of cameras, music players and game consoles. The prediction is based on the idea that the world will become more wireless and all these—cameras, music players and game consoles—will be wirelessly connected. Mobile phones won’t need to contain these devices because users will be able to control them wirelessly through their phones.
The first paragraph serves as .
A. a lead-in B. a conclusion C. a summary D. a supporting fact
Which of the following is most likely to be the appearance of a mobile phone in 2020?
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From the text, we can learn that the future mobile phones will .
A. drive cars for us
B. be controlled by the users’ voices
C. be controlled by home appliances
D. be very big together with separated multiple parts
The text mainly tells us .
A. three major trends of mobile phones
B. what mobile phones will look like in 2020
C. the future mobile phones are gesture-based
D. some new functions of the present mobile phones