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In this section，you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
Questions 1 to 3 are based on the following passage. At the end of the passage，you will be given 15 seconds to answer the questions.
Now，listen to the passage.
1. In Asia，the percent of the students whose eyes are being damaged is ______.
A. 19%
B. 90%
C. 20%
D. l0%
2. Which is INCORRECT about Dr. Ian Morgan's suggestion on protecting young people's eyes?
A. Whatever the weather is，they should spend more time outdoors.
B. hey should play outdoors and enjoy more sunlight.
C. Their academic pressure should be minimized.
D. Parents should take infants outdoors at noon rather than nap at this time.
3. The connection of Singapore with high levels of short-sightedness is to prove that______.
A. genetic factors play more important role
B. environment factors play a big role
C. both genetic factors and environment do harm to people
D. both genetic factors and environment has something to do with short-sightedness
