Relations between the United States and Colombia suffered for many years because of an incident involving the Republic of Panama. By the end of the Spanish-American War in 1898, many Americans felt that an easier and faster way was needed to get ships from the Atlantic Ocean to the Pacific Ocean. Some people in the United States first believed that a canal across Nicaragua was the answer. However, President Theodore Roosevelt decided that a canal through Panama would be a better choice.
In order to build the canal, the united States had to negotiate a treaty with Colombia, which at that time controlled Panama. Roosevelt offered Colombia $10 million plus$ 250 000 a year for 99 years for a six-mile-wide strip of land across panama. Colombia rejected the United States’ offer. This angered President Roosevelt, and negotiations with Colombia ended.
1903, a revolution broke out in Panama. United States ships were sent by President Roosevelt to protect Pana
A. develop trade relations with Europe
B. improve relation with South American countries
C. stop European ships reaching the Pacific Ocean
D. build a canal through Panama would be a better choice
Each day every person in the United States throws away more than five pounds of garbage(垃圾). There is more garbage now than ever before and most of it is made up of the packages and cans in which we put our food. The traditional way of getting rid of solid wastes is quickly becoming inadequate. Many cities are experimenting with newer ways of handling their growing piles of garbage.
One of these new ways is "recycling"(回收使用). Through recycling usable materials are taken out of garbage and made into something else. These usable parts of garbage are put through the cycle of going from a raw material to a finished product again.
In some cities a machine called Hydrapulper is being used to help recycle garbage. A Hydrapulper is like a huge mixing machine. The garbage is dropped onto a conveyor belt (传送带) that feeds the machine. At the same time, water is pumped into the Hydrapulper. With a mixing action, the Hydrapulper throws out the heavy metal objects tha
A. It is thrown away.
B. It is burnt.
C. It turns into some solid objects.
D. It is stored undergroun
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