题目
Exercise I-|||-Direetions: Read the following paragraph and decide whether the following state--|||-ments are facts or opinions. Write "F"for"Facts"or"O"for "Opinions".-|||-Intelligence Pills-|||-Intelligence Pills-|||-Some scientists have predicted that healthy adults and children may one day take drugs to-|||-improve their intelligenc andintellectual performan A research group has suggested that such-|||-drugs might become as common as coffee or tea within the next couple of decades.-|||-To counter this,students taking exams might have to take drugs tests like athletes.There-|||-are already drugs that are known to improve mental performance, like Ritalin which is given to-|||-children with problems concentrating.A drug given to people with trouble sleeping also helps-|||-people remember numbers.-|||-These drugs raise serious legal and moral questions,but people already take vitamins to help-|||-them remember things better,so it will not be a simple problem to solve.It will probably be very-|||-difficult to decide at what point a food supplement becomes an unfair drug in an examination.-|||-1.0 Some scientists have predicted that healthy adults and children may one day-|||-take drugs to improve their intelligenc and intellectual performa-|||-2. __ There are already drugs that are known to improve mental performance, like-|||-F .-|||-Ritalin,which is given to children with problems concentrati-|||-3.F __ ...people already take vitamins to help them remember things better ...-|||-4. __ It will probably be very difficult to decide at what point a food supplement-|||-0

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