[填空题]Capital is being used more efficiently because it is ______.

[填空题]Because being aware of self-existence is the premise of episodic memory, only human beings have such kind of memory.

[简答题]Modern chickens fight more because they need more food and water to lay more eggs. About 35 percent of them die because of fights. As a result, many farmers are forced to cut the beaks(鸟嘴，喙) of their chickens to prevent them from harming each others.

[填空题]Wind power are being used to generate (electronic)（）.

[填空题]Language is best taught when it is being used to transmit______.

[单项选择]A. Because communication becomes more difficult.
B. Because the staff in call center are under-qualified.
C. Because the staff are unable to answer questions.
D. Because the staff are not 24 hours available.

[单项选择]Which kind of resume is used more often
A. tombstone
B. functional
C. living

[单项选择]Concrete is probably used more widely than any other substance except water, yet it remains largely unappreciated. "Some people view the 20th century as the atomic age, the space age, the computer age—but an argument can be made that it was the concrete age," says cement specialist Hendrik van Oss. "It’s a miracle material. " Indeed, more than a ton of concrete is produced each year for every man, woman and child on Earth. Yet concrete is generally ignored outside the engineering world, a victim of its own ubiquity and the industry’s conservative pace of development. Now, thanks to environmental pressures and entrepreneurial innovation, a new generation of concretes is emerging. This high-tech assortment of concrete confections promises to be stronger, lighter, and more environmentally friendly than ever before.
The concretes they will replace are, for the most part, strong and durable, but with limitations. Concrete is sound under compression but weak under tension. Steel rebar
A. the traditional building material concrete is the only man-made miracle
B. concrete is indispensable in the development of modern construction industry
C. compared with other inventions, concrete is more practical and useful
D. concrete, as a building material, can be mixed with any other materials