题目

Can you imagine living in the desert for a whole year,watching the activities of a group busy ants?Deborah Gordon did exactly that.She finally found out that there were f 72 main groups of workers in the ant team:cleaners,haulers,gatherers and security ants.E 73 group did their own jobs to achieve the goal of the whole team.
Cleaner ants carried waste food from i 74 the nest to outside.Hauler ants walked on the
t 75 of the nest and cleared rubbish.Gatherer ants w 76 out to find food for the whole team and security ants fought against a 77 who wanted to hurt the members of the team.
While she was watching the ants in the desert,Deborah f 78 that the most interesting part was watching the ants d 79 with difficulties,such as fighting against o 80 insects that wanted to destroy their nest.At those moments,they would all s 81 what they were doing and go to help security ants to protect their home.
What do we do when people around us meet difficulties?It’s time to think!

提问时间：2020-08-03

答案

72,Four:cleaners,haulers,gatherers and security ants
73,each
74.inside
75.top
76.watched
77.attackers
78.found
79.dealing
80.other
81.stop