[单项选择]According to Mr．Hunt，what is the major cause of stress
A. Not being able to control the market．
B. Failure to balance work and relaxation．
C. The feeling of uncertainty and losing grip．

[单项选择]According to Mr．Hunt，what is the major cause of stress
A. Not being able to control the market．
B. Failure to balance work and relaxation．
C. The feeling of uncertainty and losing grip．

[单项选择]
Adverse drug reactions may cause the deaths of over 100,000 US hospital patients each year, making them a leading cause of death nationwide, according to a report in the Journal of the American Medical Association.
"The incidence of serious and fatal adverse drug reactions (ADRs) in US hospitals was found to be extremely high, " say researchers at the University of Toronto in Ontario, Canada.
They carried on an analysis of 39 ADR-related studies at US hospitals over the past 30 years and defined an ADR as "any harmful, unintended, and undesired effect of a drug which occurs at doses used in humans for prevention, diagnosis, or therapy. "
An average 6.7% of all hospitalized patients experience an ADR every year, according to the researchers. They estimate that "in 1994, overall 2,216,000 hospitalized patients had serious ADRs, and 106,000 had fatal ADRs. " This means that ADRs may rank
A. ADRs have caused medical problems, though they seldom lead to death
B. ADRs have very often caused patients to die in Canada
C. ADRs have caused many deaths in America over the past 30 years
D. it is easy to prevent ADRs from happening

[填空题]Drinking dirty water has become a major cause of death among children in developing countries.

[单项选择]1. Drug Reactions——A Major Cause of Death
Adverse (有害的) drug reactions may cause the deaths of over 100, 000 US hospital patients each year, making them a leading cause of death nationwide, according to a report in the Journal of the America Medical Association.
"The incidence of serious and fatal adverse drug reactions (ADRs) in US hospitals was found to be extremely high, " say researchers at the University of Toronto in Ontario, Canada.
They carried on an analysis of 39 ADR--related studies at US hospitals over the past 30 years and defined an ADR as "any harmful, unintended, and undesired effect of a drug which Occurs at doses used in humans for prevention, diagnosis, or therapy. "
An average 6.7% of all hospitalized patients experience an ADR every, year, according to the researchers. They estimate that "in 1 994, overall 2, 216, 000 hospitalized patients had serious ADRs, and 106, 000 had fatal ADRs. "This means that ADRs may rank as the fourth single largest
A. Right
B. Wrong
C. Not mentioned

[填空题]The major cause of "forgetting" is failure to learn the material (36) in the first place. However, we forget at a (37) rapid rate even material that we have learned.
Recent research indicates that memories don’t just (38) away. Instead, new learning (39) with the recall of old learning. In your mental (40) system, new learning (41) up old memories, making them harder to (42) If you learn American history and then English history, it will be harder for you to remember American history (43) if you have learned nothing else. (44) But if you remain awake for the same eight hours, you will forget up to twice as much. (45) If you take Spanish in your freshman year and French in your sophomore year, you will find Spanish words interspersed in your French conversation.
If you can’t reduce interference by sleeping after each study session, it’s a good idea to include brea