更多"Today adoption advocates think birt"的相关试题:
[填空题]Today adoption advocates think birth culture plays an important role in raising children from a different race.
[简答题]Today the computer plays a vital role in the lives of many Americans and is seen as one of the greatest technological developments of all times.
[单项选择]Most people today think of chocolate as something sweet to eat or drink that can be easily found in stores around the world. It might surprise you that chocolate was once highly treasured.
Researchers at the University of Pennsylvania recently released a study. It suggested that people in Central and South America first gathered the cacao plant much earlier and for a different use than experts once thought. ① The researchers examined the chemistry of substances found in ancient clay containers that were over three thousand years old. They discovered that the substance came from an alcoholic drink made from the fruit of the cacao plant. The researchers believe it was the interest in cacao as an alcoholic drink that led to the use of its bitter seeds to make what is now known as chocolate. ②
Historians believe the Maya people of Central America first learned to farm cacao plants around two thousand years ago. The Maya took the cacao trees from the rainfore
A. How ancient people used cacao plants.
B. Chocolate was valuable thousands of years ago.
C. Many ancient people farmed cacao plants.
D. How the cacao plant was made into chocolate.
[单项选择]
Today we think of automobiles as a necessity, but at first the automobile was a luxury that only the rich could afford. In 1899, only 600 were built and sold. By 1925, the number approached 20 million. Today you can choose from a huge number of models, some costing 25 times of others. It is said that there are enough motor vehicles in Great Britain and America to carry their combined population.
Today we can say that much of the world runs on wheels. The four rubber tires of automobile move us from work to play. Wheels spin, and people drive off to their jobs. Tires turn, and they go shopping. Hub-caps whirl, and the whole family goes for a drive in the country.
In addition to automobile, other types of motor vehicles shape our lives. Public buses provide quick and inexpensive transportation. No matter whether you are traveling 500 miles from one city to another, or just going across town, imagine what your life would be like without buses. Trucks also help us in
A. moving people from work for entertainment
B. sending goods faster than trains
C. providing inexpensive transportation
D. carrying goods over a long distance
