We' ve learnt to expect that …… 我们已经习惯于期盼……
It is all too easy to blame......
too...to句型中，在too前出现了all, only, but, not等词的时候，to就有肯定意义
be likely to do 有可能 ...
It is likely that...
The first paragraph is important
go direct from ... to ...
strike sb as 给某人以……印象，使某人感到;as后面可以接分词、名词、形容词搭配连用。
hold up==hold back, hinder, prevent
dawn on sb 渐渐被某人明白
in black and white 白纸黑字
Future historians will be in a unique position when they come to record the history of our own times. They will hardly know
which facts to select from the great mass of evidence that steadily accumulates. What is more they will not have to rely solely on
the written word. Films, videos. CDs and CD-ROMs are just some of the bewildering amount of information they will have. They
will be able, as it were, to see and hear us in action. But the historian attempting to reconstruct the distant past is always faced
with a difficult task. He has to deduce what he can from the few scanty clues available. Even seemingly insignificant remains can
shed interesting light on the history of early man.
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a
real need to understand something about the seasons. Recent scientific evidence seems to indicate that this assumption is