A、
Heart attacks.
B、
Strokes.
C、
Drug addiction.
D、
Cerebral haemorrhage.
【正确答案】
D
【答案解析】
A、
About 860,000.
B、
About 1.5 million.
C、
About 1/2 of the total population.
D、
About 2/3 of the total population.
【正确答案】
B
【答案解析】
A、
Easy to use.
B、
Safe.
C、
Economical.
D、
Fast acting.
【正确答案】
C
【答案解析】
A、
TPA does not work only on the heart.
B、
TPA does not have an effect on the blood.
C、
TPA is not a new drug any way.
D、
TPA causes bleeding in the heart.
【正确答案】
B
【答案解析】
A、
To test the drug on many more people with heart attacks.
B、
To test those who suffer from heart attacks.
C、
To test the doctors who use the new drug.
D、
To test the new drug in hospitals.
【正确答案】
A
【答案解析】
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