[单项选择]

Silent and Deadly

Transient ischemic attacks(TIAS), or ministrokes, result from temporary interruptions of blood flow to the brain. Unlike full strokes, they present symptoms lasting anywhere from a few seconds to 24 hours. Rarely do they cause permanent neurological damage, but they are often precursors of a major stroke.
"Our message is quite clear, "says Dr. Robert Adams, professor of neurology at the Medical College of Georgia in August. "TIAS, while less severe than strokes in the short term, are quite dangerous and need a quick diagnosis and treatment as well as appropriate follow-up to prevent future injury. "
Unfortunately, ministrokes are greatly underdiagnosed. A study conducted for the National Stroke Association indicates that 2.5~ of all adults aged 18 or older(about 4.9 million people in the U.S.)have experienced a confirmed TIA. An additional 1.2 million Americans over the age of 45, the study showed, have most li
A. The cause of them remains unidentified.
B. They seldom cause permanent neurological damage.
C. They symptoms of them are often passing.
D. They are not unrelated to major strokes.

[单项选择]
Transient ischemic attacks(TIAS), or ministrokes, result from temporary interruptions of blood flow to the brain. Unlike full strokes, they present symptoms lasting anywhere from a few seconds to 24 hours. Rarely do they cause permanent neurological damage, but they are often precursors of a major stroke.
"Our message is quite clear, "says Dr. Robert Adams, professor of neurology at the Medical College of Georgia in August. "TIAS, while less severe than strokes in the short term, are quite dangerous and need a quick diagnosis and treatment as well as appropriate follow-up to prevent future injury. "
Unfortunately, ministrokes are greatly underdiagnosed. A study conducted for the National Stroke Association indicates that 2.5~ of all adults aged 18 or older(about 4.9 million people in the U.S.)have experienced a confirmed TIA. An additional 1.2 million Americans over the age of 45, the study showed, have most li
A. save thousands of lives
B. avoid major disability
C. seek prompt medical treatment
D. prevent future injury

[单项选择]
Transient ischemic attacks (TIAs), or ministrokes, result from temporary interruptions of blood flow to the brain. Unlike full strokes, they present symptoms lasting anywhere from a few seconds to 24 hours. Rarely do they cause permanent neurological damage, but they are often precursors of a major stroke.
"Our message is quite clear," says Dr. Robert Adams, professor of neurology at the Medical College of Georgia in August. "TIAs, while less severe than strokes in the short term, are quite dangerous and need a quick diagnosis and treatment as well as appropriate follow-up to prevent future injury. "
Unfortunately, ministrokes are greatly underdiagnosed. A study conducted for the National Stroke Association indicates that 2.5% of all adults aged 18 or older (about 4.9 million people in the U. S. ) have experienced a confirmed TIA. An additional 1.2 million Americans over the age of 45, the study showed, have mo
A. The cause of them remains unidentified.
B. They seldom cause permanent neurological damage.
C. The symptoms of them are often passing.
D. They are not unrelated to major strokes.

[简答题]transient ischemic attack，TIA

[填空题]keep silent

[单项选择]

The terrorist attacks in London Thursday served as a jarring reminder that in today’s world, you never know what you might see when you pickup the newspaper or turn on the TV. Disturbing images of terror can trigger a visceral response no matter how close or far away from home the event happened.
Throughout history, every military conflict has involved psychological warfare in one way or another as the enemy sought to break the morale of their opponent. But thanks to advances in technology, the popularity of the Internet, and proliferation of news coverage, the rules of engagement in this type of mental battle have changed.
Whether it’s a massive attack or a single horrific act, the effects of psychological warfare aren’t limited to the physical damage inflicted. Instead, the goal of these attacks is to instill a sense of fear that is much greater than the actual threat itself.

A. Break the morale of their opponent.
B. Advances in technology.
C. The popularity of the Internet.
D. Prosperity of media.

[单项选择]The most effective attacks against globalization are usually not those related to economies. Instead, they are social, ethical and, above all, cultural. These arguments surfaced amid the protests in Seattle in 1999 and more recently in Davos, Bangkok and Prague. They say this: the disappearance of national borders and the establishment of a world interconnected by markets will deal a death blow to regional and national cultures, and to the traditions, customs, myths and mores that determine each country’s or region’s cultural identity. Since most of the world is incapable of resisting the invasion of cultural products from developed countries that inevitably trails the great transnational corporations, North American culture will ultimately impose itself, standardizing the world and annihilating its richness of diverse cultures. In this manner, all other peoples, and not just the small and weak ones, will lose their identity, their soul, and will become no more than 21st-eentury coloni
A. It has been taken as the most useful attack against globalization.
B. It is the result of the development of global market.
C. Many countries may suffer the loss of cultural identity.
D. New cultural imperialism will reduce the poor countries being the colonies of North Americ