填空题
The above experiment shows that not all the
information which is received can be retained for even
a second. The information is taken in all right, and 67. ______
immediately thereafter, most of it is lost and can not
be recalled. Only a small part can be retained for
future use. Now this immediate-forgetting is not an
isolated phenomenon occurs only in the psychological 68. ______
laboratory. It is, rather, the fate of most of the
information which human beings are constantly
receiving. Information is taken in, and the bulk of
it vanishes within a second and so. On the whole, this 69. ______
immediate-forgetting is advantageous. Most of the
information taking in during the daily round is of 70. ______
momentary value only. It serves to keep us abreast
of the ever-changing relationships among 71. ______
ourselves and our environment and, this service
rendered, its further retention would merely obstruct
the ongoing flow of our activities. It is necessary 72. ______
to retain every minute detail of immediately past
circumstances; and indeed, if we did retain these
details this would deprive us freedom to consider the 73. ______
detailed requirements of the present moment, in all of
life’ s activities, we take in, from one moment to the
next, a great deal of information which value is 74. ______
restricted to the moment of its intake. So it is
altogether an economy such information be forgotten 75. ______
immediately. It is an economy that is selected for 76. ______
more lasting retention be only those minimal
outstanding characteristics likely to be of future value.