Directions (101-110): In the following passage there are blanks, each of which has been numbered. These numbers are printed below the passage and against each, five words/phrases are suggested, one of which fits the blank appropriately. Find out the appropriate word/phrase in each case. Hot weather is likely to lower children's academic grades, said Harvard scientists, who have found that (101) temperatures make it (102) for students to study in lessons in school and concentrate on their homework. The research found that every 0.55- degree (23) above 21 degrees Celsius cost a child 1% in their exam scores. Researchers from Harvard University in the U.S. (24) 10 million children's test scores taken (25) 13 years. The study found that (106) weather made it harder to study lessons in school and to concentrate on homework out of school. It (107) air conditioning should be used to keep classrooms cool, the researchers said. Colder days did not damage achievement, however the reduction in learning accelerated once temperatures rose above 32 degrees Celsius and even more so above 38 degrees Celsius. The data (108) that students were more likely to have lower scores in years with higher temperatures and (109) results in cooler years, 'The Telegraph' reported. This applied across the many different types of climate, whether in cooler northern U.S. states or in the southern states, where temperatures are (110) much higher.