recover；measure；reduce；shoot；emotion；species；threat；attack；adapt；remind

（1）A lot of

species

species

in the world are in danger of dying out．
（2）He succeeded in

recovering

recovering

from a leg injury．
（3）The number of visitors is bringing a

threat

threat

to the area．
（4）He enjoys riding，fishing and

shooting

shooting

．
（5）She can play tennis with me and can express her

emotions

emotions

with words and gestures．
（6）Soldiers have been sent to protect the crew against

attack

attack

．
（7）A desert plant

adapts

adapts

to living in a dry habitat．
（8）We must take

measures

measures

to prevent this from happening again．
（9）Costs have been

reduced

reduced

by 20% over the past year．
（10）I

reminded

reminded

him of the time of the appointment．