[单项选择]

There are thousands of volcanoes (火山) all over the world. What makes volcanoes What happens
The inside of the earth is very hot. Because it is very, very hot, the rock has melted like ice. It has become liquid, like water. It is always boiling, like water in a kettle. If you have seen a kettle boiling, you know that the steam and boiling water try to get out. The very hot melted rock inside the earth also tries to get out. Usually it cannot because the outside of the earth is tm thick and strong.
But in some places the outside of the earth is thin and weak. Sometimes a crack appears. The hot melted rock, which we call "lava" (熔岩), pushes out through the crack and bursts through. Steam and gas shoot up into the air and the hot melted lava pours out. Big pieces of rock may be thrown high into the air.
After a while the volcano becomes quiet again. The melted lava becomes hard. Later the same thing happens again and again. Each time more hot lava po
A. a crack in the earth
B. a mountain by the sea
C. a big fire
D. steam and gas

[单项选择]

There are thousands of volcanoes (火山) all over the world. What makes volcanoes What happens
The inside of the earth is very hot. Because it is very, very hot, the rock has melted like ice. It has become liquid, like water. It is always boiling, like water in a kettle. If you have seen a kettle boiling, you know that the steam and boiling water try to get out. The very hot melted rock inside the earth also tries to get out. Usually it cannot because the outside of the earth is tm thick and strong.
But in some places the outside of the earth is thin and weak. Sometimes a crack appears. The hot melted rock, which we call "lava" (熔岩), pushes out through the crack and bursts through. Steam and gas shoot up into the air and the hot melted lava pours out. Big pieces of rock may be thrown high into the air.
After a while the volcano becomes quiet again. The melted lava becomes hard. Later the same thing happens again and again. Each time more hot lava po
A. boiling water
B. boiled water
C. melted rock
D. melted ice

[单项选择]

There are thousands of products of all colors and shapes in a supermarket, making you believe that they are worth a try. How Packaging(包装) is the silent but persuading salesman.
There on the shelves, each bottle, can, box, and jar has been carefully designed and measured to speak to the inner self of the consumer(消费者), so that is buying not only a product but also his belief in life. Scientists have studied consumer behavior recently and found that the look of the package has a great effect on the "quality" of the product and on how well it sells, because" Consumers generally cannot tell between a product and its package. Many products are packages and many packages are products, "as Louis Cheskin, the first social scientist studying consumers" feeling for packaging, noticed.
Colors are one of the best tools in packaging. Studies of eye movement have shown that colors draw human attention quickly. Take V8 for example. For many years, the b
A. the pleasing color of the package
B. the special taste of the product
C. the strange shape of the package
D. the belief in the product

[单项选择]This engineering project has ______ over all others this year.
A. awareness
B. blueprint
C. assessment
D. priority

[单项选择]Over the past decade, thousands of patents have been granted for what are called business methods. Amazon. com received one for its" one-click" online payment system. Merrill Lynch got legal protection for an asset allocation strategy. One inventor patented a technique for lifting a box.
Now the nation’s top patent court appears completely ready to scale back on business-method patents, which have been controversial ever since they were first authorized 10 years ago. In a move that has intellectual-property lawyers abuzz the U. S. court of Appeals for the federal circuit said it would use a particular case to conduct a broad review of business-method patents. In re Bilski, as the case is known ,is "a very big deal", says Dennis D. Crouch of the University of Missouri School of law. It" has the potential to eliminate an entire class of patents. "
Curbs on business-method claims would be a dramatic about-face, because it was the federal circuit itself that introduced such paten
A. A looming threat to business-method patents.
B. Protection for business-method patent holders.
C. A legal case regarding business-method patents.
D. A prevailing trend against business-method patents.