2. Group name: hard team. Group number: study hard and make progress every day.
3. Group name: Eagle Group. Group number: eagle, eagle, always strive for the first place.
4. Group name: Firepower Group. Group number: fire brigade, full of energy.
5. Group name: Happy Group. Group number: Learn happily and break through difficult problems.
Summary of voluntary service activities for epidemic prevention and control 1
With the horn sounded to figh