Cam 17, Test 4, Reading Passage 1: Bats to the rescue.

Front

rainforest

Back

a tropical forest with tall trees that are very close together, growing in an area where it rains a lot

Front

conservation

Back

protection, saving, preservation

Front

strained

Back

stressed, tense, anxious

Front

convert

Back

change, switch, move

Front

destruction

Back

ruin, damage, demolition

Front

fuel

Back

stimulate, energize, promote

Front

cultivation

Back

farming, agriculture, gardening

Front

staple

Back

basic, core, prime

Front

key

Back

crucial, significant, important

Front

pest

Back

insect, bug, vermin