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.