UNIT 2 LESSON 6

3. COMPLETE EACH SENTENCE WITH AN APPROPRIATE WORD
a) A DEAF PERSON IS A PERSON WHO CANNOT HEAR
b) A BLIND PERSON IS A PERSON WHO CANNOT SEE
c) OUR ORGAN OF SIGHT IS THE RETINA
d) WHEN YOU ARE SHORT-SIGHTED YOU NEED TO WEAR GLASSES TO SEE IN THE DISTANCE

4. PUT THE VERBS IN PARENTHESES INTO THE CORRECT TENSE TO COMPLETE THE TEXT

IN 1967, A SOUTH AFRICAN DOCTOR, CHRISTIAAN BARNARD, PERFORMED THE FIRST HUMAN-TO-HUMAN HEART TRANSPLANT. HE AND HIS SURGICAL TEAM TOOK THE HEART OF A 25-YEARS-OLD WOMAN KILLED IN A CAR ACCIDENT AND PUT IN THE BODY OF A 55-YEARS-OLD MAN. THE PATIENT SURVIVED FOR 18 DAYS. OVER THE NEXT 10-15 YEARS DOCTORSMADE IMPORTANT MEDICAL ADVANCES, BUT MANY HEART TRANSPLANT PAIENTS DIE . NOWADAYS, THE OPERATION HAD A GOOD SUCCESS RATE. DOCTORS, DID APPROXIMATELY 3,500 HEART TRANSPLANTS A YEAR, AND AT THE MOMENT RESEARCHERS WORKED TO PERFECT A MECHANICAL HEART. AND WHAT OF THE FUTURE? TECHNOLOGY IMPROVED ALL THE TIME  DO WE WILL BE ABLE TO PERFORM BRAIN TRANSPLANTS ONE DAY?



video