Your intelligence varies from season to season if you are like most people. You are probably much sharper in the spring than you are at any other time of the year. A famous scientist, Ellsworth Huntington, concluded from other men’s work and his own among peoples in different climates that climate and temperature have a definite effect on our mental abilities.
He found that cool weather is much more favorable for creative thinking than summer heat. This does not mean that all people are less intelligent in the summer than they are during the rest of the year. It does mean, however, that the mental abilities of most people tend to
be lowest in the summer.
Spring appears to be the best period of the year for thinking. One reason may be that in the spring men’s mental abilities are affected by the same factors that bring about great changes in all nature.
Fall is the next-best season, then winter. As for summer, it seems to be good
A. records of changes in his own intelligence
B. work with people in different climates
C. records of temperature change
D. all of the above
One hundred and thirteen million Americans have at least one bank-issued credit card. They give their owners automatic credit in stores, restaurants, hotels, at home, across the country, and even abroad, and they make many banking services available as well. More and more of these credit cards can be read automatically, making it possible to withdraw or deposit money in scattered locations, whether or not the local branch bank is open. For many of us the cashless society is not on the horizon—it’s already here.
While computers offer these conveniences to consumers, they have many advantages for sellers too. Electronic cash registers can do much more than simply ring up sales. They can keep a wide range of records, including who sold what, when, and to whom. This information allows businessmen to keep track of their list of goods by showing which items are being sold and how fast they are moving. Decisions to reorder or return goods to suppliers can then be mad
A. withdraw as much money from the bank as he wishes
B. obtain more convenient services than order people do
C. enjoy greater trust from the storekeeper
D. cash money where he wishes to
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