Choose the correct letter, A, B, or C
Climate change and allergies
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Why is Beth unconvinced that allergies are linked to vitamin D deficiency? A. because people’s diets have improved since the 1950s B. because most people get enough vitamin D C. because the evidence only applies in Britain
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Eliot explains that rising CO₂ levels A. will mean distribution of pollen over a wider area B. are having less impact on pollen than milder winters C. are responsible for higher quantities of pollen
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What does Beth say about seasonal changes? A. There is no clear short-term trend for the arrival of spring B. in general, spring is likely to continue arriving early C. Springs are becoming milder and longer
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What point is made about the plant ragweed? A. It is spreading to more countries B. It is the most widespread cause of allergies globally C. It causes the most severe type of allergy
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Why is tree pollen a more serious problem in cities? A. Trees produce more pollen there B. There is less to absorb the tree pollen C. There is not enough control over tree-planting
Questions 26–30
What comment is made about the seasonal changes in pollen in each of the following European countries?
Choose FIVE answers from the box and write the correct letter, A–G, next to questions 26–30
Seasonal changes in pollen
A. greatest change recorded for oak pollen
B. change identified to two pollen types only
C. a longer season for grass pollen
D. earlier start dates for all pollen types
E. significant change in start date of birch pollen
F. little difference in start dates
G. information only available for birch pollen
European countries
26 Austria…………
27 France…………
28 The Netherlands…………
29 Switzerland…………
30 UK…………
答案
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