完形填空
Different weather makes people feel different. It influences (影响) health, intelligence (智力) and feelings. In August, it is very 1and wet in the southern part of the United States. People there have heart trouble and other kinds of 2 problems during this month. In the northeast and the Middle West, it is very hot sometimes and very cold sometimes. People in these states have more heart trouble3the weather changes in February or March.
The weather can also influence intelligence. For example, in a 1983 study by scientists 4that the IQ of a group of students was very high when a very strong wind came, 5 after the strong wind, their IQ was 10% 6. The wind can help people have7intelligence. Very hot weather, on the other hand, can make it 8. Students in many schools of the United States often do worse on exams in the 9 months of the year (July and August).
Weather also has a strong influence on people's 10. Winter may be a bad time for 11people. They usually feel cold these months. They might feel 12 during cold weather. But fat people may have a hard time in hot summer. At about 18℃, people become stronger.
Low air pressure (气压) may make people forgetful. People 13 more bags on buses and in shops on low-pressure days. There is "good weather" for work and health. People feel 14 at a temperature of about 18℃.
Are you feeling sad, tired, forgetful, or unhappy today? It may be the 15 fault (过错).