When we think of famous inventors, we usually think of men like Alexander Graham Bell and Thomas Edison.
Let’s take the dishwasher (洗碗机) as an example.
She said, “
The car was invented by a man.
根据材料内容，将A—E五个句子填入文中空缺处，使短文内容完整、正确，并将其标号填写在题号后的横线上。
| A．If nobody else is going to invent a dishwasher. Then I will! |
| B．It was invented by a woman named Josephine Cochran in 1886. |
| C．However, it was a woman who solved one of the biggest problems of driving. |
| D．But many of the things that make our lives easier today were invented by women. |
| E．They had to open the window. |
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【推荐1】TV was one of the greatest inventions in the 20th century. Nowadays, nearly every household has at least one TV set.
Television came into being(出现)based on the inventions and discoveries of many scientists. On April 7, 1927, the first public television programme was broadcast in the USA. The signals(信号) were received on a very small screen. It was only about the size of a business card. The pictures were reddish(微红色的) and not clear.
In the 1930s, bigger screens appeared with black-and-white pictures. However, a snowy picture was the best many TV viewers(观众) could hope for. Often, they could only get one station, and only when the weather conditions were good.
When World War Ⅱ(1939—1945) began, the development of TV stopped. There were a very small number of TV sets in the hands of the public. By 1945, there were fewer than 7,000 working TV sets in the USA. A TV set cost about half the price of a car at that time.
The time after World War Ⅱ is considered one of the golden periods of television. Families saved money during the war years, and wanted to buy a lot of things after the war. TV sets were soon put onto the ‘must-have’ list. 1950—1959 was an exciting period for television. Colour television and remote controls came out during this time. By 1955, the cost of TV sets came down a lot. Instead of being equal to half the price of a car, they were now just equal to the cost of a new set of tyres(轮胎). This marked the beginning of the booming age of TV.
1. Which is NOT true about the first public television programme?| A．It was broadcast in the UK. | B．It was broadcast in 1927. |
| C．The pictures were not clear. | D．It was shown on a small screen. |
| A．soon | B．slow | C．busy | D．fast |
| A．The birth of television. | B．The development of television. |
| C．How to invent television. | D．The price of television. |
【推荐2】It’s common to carry things on bikes, trains and even planes. But do you know small drones（无人机）can help carry packages to your home? For two years, Google has been working hard in their secret research lab. They have made great progress. Their latest project is called Project Wing. Project Wing is Google’s invention of a drone delivery（运送） service. It is half plane and half helicopter （直升机） and is slightly bigger than a seagull（海鸥）. It can deliver packages to customers’ doors.
The best thing about drone delivery services is that delivery time will be greatly cut down. You’ll be able to order online in the morning. And by noon, the delivery drone will deliver you package.
Interestingly, drones are not that young. The USA has been using armed（武装）drones since 2002. But drones may also get another use. Film companies have asked to use drones to shoot videos from the sky.
Google’s delivery drones won’t be able to fly to customers any time soon. However, Google has proved that drone delivery is possible. And with Amazon announcing their drone delivery service last year, the heat is on to make safe and suitable drones to fly the skies for customers.
1. What is Project Wing?| A．Half plane. | B．A drone delivery service. | C．Google’s invention of searching. |
| A．One year. | B．Two years | C．Three years. |
| A．education | B．film | C．delivery |
| A．The new invention can cut down the time of delivery. |
| B．Amazon also uses drones for delivery service. |
| C．Drones will take a long time to deliver a package, |
| A．Fast. | B．Cheap | C．Safe and suitable. |
【推荐3】A new underwater camera developed recently at Massachusetts Institute of Technology (MIT) could have many uses, including climate modeling.
More than 95 percent of the earth’s oceans have never been observed. This means we have seen less of our planet’s ocean than we have the far side of the moon or the surface of Mars. What is preventing widespread undersea exploration? The answer is the high cost of powering an underwater camera for a long time.
MIT researchers have taken a big step to solve this problem. They developed a new underwater camera. The camera is about 100,000 times more energy-saving than other undersea cameras. It takes color photos, even in dark underwater environments and sends images through the water. Most importantly, it can work for a very long time by powering itself.
The camera turns energy from sound waves traveling through water into electrical energy. It uses the electrical energy to power its imaging and communication equipment. After capturing images in the ocean, the camera also uses sound waves to send them to a receiver. The camera doesn’t need a power source, so it could run for weeks on end. And this allows scientists to search more parts of the ocean. The camera could also be used to capture images of ocean pollution.
“We can use the camera to help us learn what is happening to the climate. Personally, this is one of the most exciting things about the camera. We are building climate models, but we need to know more about the ocean. This technology could help us build more detailed climate models and better understand how climate change has effects on the underwater world,” says Fadel Adib, director of the Signal Kinetics group in the MIT Media Lab.
1. Why does the writer mention the moon and Mars?| A．To suggest that we need to study the ocean. |
| B．To explain the difficulty in scientific research. |
| C．To correct a misunderstanding about the ocean. |
| D．To show our knowledge of the ocean isn’t enough. |
| A．It takes over 100,000 photos. | B．It works for a long time underwater. |
| C．It costs little to build such a camera. | D．It operates well in dark environments. |
| A．How the camera works. | B．What the camera looks like. |
| C．How the camera moves underwater. | D．Which parts of the ocean the camera works in. |
| A．Prevent the ocean getting polluted. |
| B．Build more complete climate models. |
| C．Understand the reasons for climate change. |
| D．Get more people interested in the underwater world. |
