If you are like most people, your intelligence varies from season to season. You are proba

听力原文： If you are like most people, your intelligence varies from season to season. You are probably a lot sharper in the spring than you are at any other time of year. A noted scientist, Ellsworth Huntington, concluded from other men's work and his own among people 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 is summer heat. This does not mean that all people are less intelligent in summer than they are during the rest of the year. It does mean, however, that the mental abilities of large numbers of people tend to be lowest in summer.

Spring appears to be the best period of the year for thinking. One reason may be that in the spring man'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 a good time to take a long vacation from thinking,

(30)

A．Seasonal variations in nature.

B．How intelligence changes with the change of seasons.

C．How we can improve our intelligence.

D．Why summer is the best season for vacation.

Passage Four

If you are like most people, your intelligence varies from season to season. You are probably a lot sharper in the spring than you are at any other time of year. A noted scientist, Ells- worth Huntington (1876-1947) 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 is. 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 mental, abilities of large numbers of 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 man'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 a good time to take a long vacation from thinking!

46. According to the passage, your mental ability ______.

A. depends on your attitude towards people in different time of the year

B. changes for the worst when you dislike most people in hot season

C. will be best in winter and worst in summer if you want to be creative

D. turns to be more powerful in spring than in any of the other seasons

听力原文： If you are like most people, your intelligence varies from season to season. You are probably a lot sharper in the spring than you are at any other time of the year.

A noted scientist, Ellsworth Huntington, concluded from other men's work and his own among people that different climate and temperature have a definite effect on our mental abilities.

He found that cool weather is much more favorable for creative thinking than is summer heat. This does not mean that all people are less intelligent in summer than they are during the rest of the year. it does mean, however, that the mental abilities of large numbers of people tend to be lowest in summer.

Spring appears to be the best period of the year for thinking. One reason may be that in the spring man'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 a good time to take a long vacation from thinking.

(34)

A．Seasonal variations in nature.

B．How intelligence changes with the change of seasons.

C．How we can improve our intelligence.

D．Why summer is the best season for vacation.

听力原文： If you are like most people, your intelligence varies from season to season. You are probably a lot sharper in the spring than you are at any other time of the year. A noted scientist, Ellsworth Huntington (1876-1947), concluded from other men's work and his own among people 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 is 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 large numbers of people tend to be at the lowest in the summer.

Spring appears to be the best period of the year for thinking. One reason may be that in the spring man's mental abilities are affected by the same factors that bring about great changes in the nature.

Fall is the next best season, then winter. As for summer, it seems to be a good time to take a long vacation from thinking!

(30)

A．Record of changes in his own intelligence.

B．Work with people in different climates.

C．Records of temperature changes.

D．All records of changes in mental abilities.

听力原文： If you are like most people, your intelligence varies from season to season. You are probably a lot sharper in the spring than you are at any other time of year. A noted scientist, Ellsworth-Huntington, concluded from other men's work and his own among people 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 the summer heat. This does not mean that all people are less intelligent in summer than they are during the rest of the year. It does mean, however, that the mental abilities of large numbers of 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 spring man's mental abilities are affected by the same factors that bring about great changes in all nature.

Fall is the next-best season. As for summer, it seems to be a good time to take a long vacation for thinking.

(33)

A．It is more or less affected by the seasons,

B．It stays the same in all seasons.

C．It's a bit higher in summer than in winter.

D．It varies from day to day,

听力原文： If you are like most people, your intelligence varies from season to season. You are probably a lot sharper in the spring than you are at any other time of year. A noted 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 is summer beat. 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 large numbers of people tend to be lowest in the summer.

Spring appears to be the best period of the year for thinking. One mason may be that in the spring man's mental abilities am 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 a good time to take a long vacation from thinking.

(33)

A．It changes from year to year.

B．It changes with the seasons.

C．It varies from day to day.

D．It stays the same throughout the year.