Progress file 5,Computers vs humans,5,The human brain,CONTENTS PAGE,Vocabulary,Grammar,My progress,Vocabulary,Match the words and phrases with their meanings.,essential a should imagine b make a picture of something in your mind wonder c stop working break down d very important had better e want to know,Grammar,Match the two halves of these sentences.,2-1,1,2,Write complete sentences by putting the following words in the right order.,it/paper/If/a fire/burns/put/you/into/,/. I/will/see/scream/If/a mouse/I/,/! go out/tomorrow/I/rains/will/if/it/not/. not/You/enter/have/a ticket/are/to/allowed/unless/you/. sit/the class/near/well/cannot/If/you/hear/please/the front of/,/.,If you put paper into a fire, it burns.,If I see a mouse, I will scream!,I will not go out if it rains tomorrow.,You are not allowed to enter unless you have a ticket.,If you cannot hear well, please sit near the front of the class.,1,2,2-2,My progress,