段落排序 #17Importance of Vaccination
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1Vaccines are very important to this effort.
2They protect children from getting and spreading diseases that can make them very sick.
3For this reason, we require children aged 2–months to 18–years old who are entering or attending child care, public school, or private school be vaccinated against certain diseases.
4A healthy school setting gives all students the best chance to learn and grow.
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题号#17