1) There are 39 million blind people in the world. But (1) …….. do people realize that perhaps half of those affected by blindness could be cured, simply by removing the cataract* which causes it. Many people (2) …….. already have surgery to remove cataracts. In fact, it is a very common operation in many countries, and only very (3) …….. does the patient fail to recover good sight. However, until recently the procedure (4) …….. cost quite a lot and was too expensive for sufferers in developing countries. a) little b) rarely c) not d) also 2) There are 39 million blind people in the world. But (1) …….. do people realize that perhaps half of those affected by blindness could be cured, simply by removing the cataract* which causes it. Many people (2) …….. already have surgery to remove cataracts. In fact, it is a very common operation in many countries, and only very (3) …….. does the patient fail to recover good sight. However, until recently the procedure (4) …….. cost quite a lot and was too expensive for sufferers in developing countries. a) little b) do c) not d) also 3) There are 39 million blind people in the world. But (1) …….. do people realize that perhaps half of those affected by blindness could be cured, simply by removing the cataract* which causes it. Many people (2) …….. already have surgery to remove cataracts. In fact, it is a very common operation in many countries, and only very (3) …….. does the patient fail to recover good sight. However, until recently the procedure (4) …….. cost quite a lot and was too expensive for sufferers in developing countries. a) little b) rarely c) did d) also 4) There are 39 million blind people in the world. But (1) …….. do people realize that perhaps half of those affected by blindness could be cured, simply by removing the cataract* which causes it. Many people (2) …….. already have surgery to remove cataracts. In fact, it is a very common operation in many countries, and only very (3) …….. does the patient fail to recover good sight. However, until recently the procedure (4) …….. cost quite a lot and was too expensive for sufferers in developing countries. a) little b) rarely c) did d) also 5) That was until Dr. Sanduk Ruit, a doctor from Nepal, created a new system for conducting cataract surgery. (5) …….. only did he manage to reduce the cost of the operation to around 25 dollars per patient, he reduced the time it took and developed a production-line approach. In fact, (6) …….. in the world do they conduct the operation more efficiently and successfully than in Nepal. The result makes a huge difference to thousands of lives. Not only (7) …….. the operation bring sight back, it (8) …….. brings back the ability to farm and do similar work, which in turn helps to reduce poverty. a) little b) rarely c) not d) also 6) That was until Dr. Sanduk Ruit, a doctor from Nepal, created a new system for conducting cataract surgery. (5) …….. only did he manage to reduce the cost of the operation to around 25 dollars per patient, he reduced the time it took and developed a production-line approach. In fact, (6) …….. in the world do they conduct the operation more efficiently and successfully than in Nepal. The result makes a huge difference to thousands of lives. Not only (7) …….. the operation bring sight back, it (8) …….. brings back the ability to farm and do similar work, which in turn helps to reduce poverty. a) little b) rarely c) not d) nowhere 7) That was until Dr. Sanduk Ruit, a doctor from Nepal, created a new system for conducting cataract surgery. (5) …….. only did he manage to reduce the cost of the operation to around 25 dollars per patient, he reduced the time it took and developed a production-line approach. In fact, (6) …….. in the world do they conduct the operation more efficiently and successfully than in Nepal. The result makes a huge difference to thousands of lives. Not only (7) …….. the operation bring sight back, it (8) …….. brings back the ability to farm and do similar work, which in turn helps to reduce poverty. a) does b) rarely c) did d) also 8) That was until Dr. Sanduk Ruit, a doctor from Nepal, created a new system for conducting cataract surgery. (5) …….. only did he manage to reduce the cost of the operation to around 25 dollars per patient, he reduced the time it took and developed a production-line approach. In fact, (6) …….. in the world do they conduct the operation more efficiently and successfully than in Nepal. The result makes a huge difference to thousands of lives. Not only (7) …….. the operation bring sight back, it (8) …….. brings back the ability to farm and do similar work, which in turn helps to reduce poverty. a) little b) rarely c) not d) also

Perspectives 3. Unit 10C. p. 123, exercise 8

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