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BLINDNESS
1) What (to be)_ blindness?
2) Some people (to bear) _degree of vision loss.
3)Only about 18 per cent of blind people (to be) _totally blind - most can(to distinguish)_between light and dark.
4) When someone (to be)_ partially sighted, they (to have)_ a less severe loss of vision. 5) Partially sighted people can(to see) _more than blind people but less than sighted people.
6) Blindness can (to cause)_difficulty with performing everyday tasks.
7) Blindness can (to cause)_ difficulty with performing everyday tasks such as cooking, dressing, reading and writing.
8) .When outside shopping or going for a walk, blindness can (to create) _ problems.
9) The risk of physical and social isolation (to be) _greater for those who (to be)_blind or partially-sighted as it can (to be)_harder for them to get out and make new friends than it (to be)_for people who (to be)_ fully sighted .
10) Blindness can also (to be)_ an expensive condition because of, for example, the costs of special equipment.
11) What _the causes (to be)?
12) Accidents and disease (to be) _often responsible for blindness while some people (to bear)_blind or partially sighted. 13)Common causes (to include) _retinopathy and glaucoma.
14) Having an eye test at least every two years can (to help)_to detect problems that may (to need)_treatment.
15) It (to be) _important to wear protective eyewear in situations where accidental eye damage may (to occur)_ for example, at work, when playing sport. Some conditions, such as glaucoma and cataracts, can (to treat)_to help preserve vision.
16) Daily life
The use of a guide dog or asking a sighted friend to help (to overcome)__problems for blind or partially sighted people outside.
17) Helpful techniques (to include)_using colour-coded buttons to help with dressing, and counting as water(to pour) _into a teapot to identify when it's full.
18) Braille or Moon (to help)_with reading and writing. Many people (to prefer)_to listen to audio cassettes and CD's. The telephone and computers (to help) _many to communicate.
2.
1) James Watt was a famous inventor and mechanical engineer
2) For Steam engine and other improvements on steam engine Watt received his first patent in 1769.
3.
1) Who did Watt work for?
2) How old was Watt when he started working?
3) What was Watt's profession?
4) Before you started to work with Watt on this profession?
5) What is Watt interested in?
II.
1) Этот вопрос легко обсуждать. Это очень просто.
2) Для нашего эксперимента необходимо вскипятить воду. Тогда она будет чистой.
3) При работе с химическими веществами следует соблюдать осторожность.