更多"Passage 3
During the early Amer"的相关试题:
[单项选择]During the early American colonial years, com was more plentiful than wheat, so com breed was more common than wheat bread. Friendly Indians showed colonists how to grow com and how to prepare it for food and pioneer women then improved the Indian cooking techniques. When people traveled, they went on foot or horseback, sleeping and eating in the forests. They carded com bread for sustenance; the com bread came to be called journey cake. Later when roads and taverns were built and stagecoaches carded passengers, journeycake became johnnycake, a name many easterners still use for corn breed. The kinds of bread made with cornmeal were-and still are-almost without limit. Every region has its specialties.
In colonial times, why was com bread more common than wheat bread
A. The colonists preferred com breed.
B. Corn was more abundant.
C. The colonists did not know how to make wheat bread.
D. Com bread did not spoil as rapidly as wheat breed di
[单项选择]
Passage 2
Early in the 16th century men were trying to reach Asia by traveling west from Europe. In order to find Asia they had to find a way past South America. The man who eventually found the way from the Atlantic Ocean to the Pacific was Ferdinand Magellan. Magellan sailed from Seville in August 1519 with five ships and about 280 men. Fourteen months later, after spending the severe winter on the coast of Patagonia, he discovered the channel which is now called Magellan’s Straits. In November 1520, after many months of dangers from rocks and storms, the three remaining ships entered the ocean on the other side of South America. They then continued, hoping to reach Asia. But they did not see any land until they reached the islands off the coast of Asia. Before they arrived at these islands, later known as the Philippines, men were dying of starvation. While they were staying in the Philippines, Magellan was killed in battle. The remaining officers then had to get
A. pass the Pacific
B. cross South America by land
C. find a way from the Atlantic Ocean to the Pacific
D. build ships
[单项选择]According to the passage, early humans ______.
A. were less selfish than the present-day people
B. were more co-operative in nature
C. had to be co-operative to survive
D. had to behave better than the present-day people
[单项选择]
Passage Two
During the last thirty years, the
international economy has experienced a basic change. Improvements in the
Internet and other communications have had important effects on world markets.
Faster methods of transport from one place to another have made the world seem
smaller to the businessmen. As a result, the world no longer. consists of a
number of separate economies under the control of different nations. Instead,
the nations have been integrated into a single economy, and the integration is
becoming more and more complete every year. For the first time in history, we
can truly speak of a global economy.
The most dramatic example
of this integration was the oil crisis of 1973 and 1974. It came as a great
surprise to the public in the industrial nations to discover that they depended
so heavily on imported oil. However, the bes
A. the dependence of the industrial countries on imported oil
B. the fundamental change in world economy
C. the expansion of international corporations
D. the Internet and world economy
[单项选择]
Passage Three
In early 2004 eight tiny sensors were dropped from a plane near a military base in California. After hit ting the ground, the sensors—also known as smart dust sensors organized themselves into a network and quickly detected a fleet of military vehicles on the ground. They determined the direction, speed and size of a series of military vehicles traveling along the road and later transmitted the data to a computer at a nearby base camp.
Smart dust sensors are minicomputers—as small as a grain of rice in some cases—that can monitor and evaluate their physical environment and can relay the information via wireless, communication. They can monitor elements such as temperature, moisture, humidity, pressure, energy use, vibration, light, motion, radiation, gas, and chemicals. These devices will soon have many applications, such as use in emergency rescue.
Software has been developed to run these minicomputers. A key feature
A. giving troops their protective gear
B. organizing themselves into a computer network
C. detecting the movement of military vehicles nearby
D. operating in remote and dangerous War zones
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