Passage 3If we were asked exactly what we were doing a year

Passage 3
If we were asked exactly what we were doing a year ago,we should probably have to say that we could not remember.But if we had kept a book and had written in it an account of what we did each day,we should be able to give an answer to the question.
11.Which of the following ideas is not conveyed in the passage?
a.“Remembered history”,compared with written history,is less reliable.
b.Written records of the past plays a most important role in our learning of the human history.
c.A written account of our daily activities helps us to answer some questions.
d.Where there are no written records,there is no history.
12.We know very little about the central Africa 200 years ago because _______.
a.there was nothing worth being written down at that time
b.the people there ignored the importance of keeping a record
c.the written records were perhaps destroyed by a fire
d.the people there had not known how to write
13.“Remembered history” (in the last paragraph) refers to __________.
a.history based on a person’s imagination
b.stories of important happenings passed down from mouth to mouth
c.songs and dances about the most important events
d.both b and c
14.“Remembered history”( in the last paragraph) is regarded as valuable only when ________ .
a.it is written down
b.no written account is available
c.it proves to be true
d.people are interested in it
15.It can be inferred from the passage that we could have learned much more about our past than we do now if our ancestors had _______.
a .kept a written record of every past event
b.not burnt their written records in wars
c.told exact stories of the most important happenings
d.made more songs and dances

11.选D
理由:D项说没有文字记录的地方就没有历史.全文最后一句否定这一说法
But where there are no written records, such spoken stories are often very helpful
12 选D
理由:第2段 But we know almost nothing about the people who lived even 200 years ago in central Africa, because they had not learned to write.
13.选D
理由:最后一段
14.选B
理由：remembered history是口传唱歌跳舞的形式记录的历史It is not so exact or so valuable to us as written history is,
在有文字记录的时候没有意义．
15.选 A