¡¡¡¡41.
¡¡¡¡£¨a£© one-half.
¡¡¡¡£¨b£© one-third.
¡¡¡¡£¨c£© one-fourth.
¡¡¡¡£¨d£© one-fifth.
¡¡¡¡42.
¡¡¡¡£¨a£© plenty of sleep.
¡¡¡¡£¨b£© a variety of foods.
¡¡¡¡£¨c£© occasional exercise.
¡¡¡¡£¨d£© sufficient body fat.
¡¡¡¡43.
¡¡¡¡£¨a£© how much it has improved in recent years.
¡¡¡¡£¨b£© how reliable long-range forecasts are.
¡¡¡¡£¨c£© how long it takes to become a meteorologist.
¡¡¡¡£¨d£© how the current forecast will affect the speakers.
¡¡¡¡44.
¡¡¡¡£¨a£© the amount of cloud covering.
¡¡¡¡£¨b£© the wind conditions.
¡¡¡¡£¨c£© the amount of snow.
¡¡¡¡£¨d£© the temperature.
¡¡¡¡
¡¡¡¡
¡¡¡¡
¡¡¡¡46.
¡¡¡¡£¨a£© he no longer believes short-range forecasts.
¡¡¡¡£¨b£© he is so fascinated that he decides to study meteorology.
¡¡¡¡£¨c£© he realizes that there is some value in long-range forecasting.
¡¡¡¡£¨d£© he decides to change his forecast.
¡¡¡¡47.
¡¡¡¡£¨a£© explaining the campus architecture to visitors.
¡¡¡¡£¨b£© providing orientation for new campus employees.
¡¡¡¡£¨c£© familiarizing new students with the campus.
¡¡¡¡£¨d£© advising students about which classes to take.
¡¡¡¡48.
¡¡¡¡£¨a£© registration forms.
¡¡¡¡£¨b£© a library card.
¡¡¡¡£¨c£© a list of classes.
¡¡¡¡£¨d£© a campus map.
¡¡¡¡49.
¡¡¡¡£¨a£© in the registrar's office.
¡¡¡¡£¨b£© in the library.
¡¡¡¡£¨c£© in the math building.
¡¡¡¡£¨d£© in the cafeteria.
¡¡¡¡50.
¡¡¡¡£¨a£© move into their dormitories.
¡¡¡¡£¨b£© find their classrooms.
¡¡¡¡£¨c£© memorize campus landmarks.
¡¡¡¡£¨d£© complete their registration materials.
