1. Прочитайте текст и отметьте, какие утверждения после него соответствуют содержанию(T), какие - нет(F), а о чем в тексте не упоминается(NS). Botany is the study of plant life. In early times people studied plants because they were important as food. Then primitive medicine men became interested in botany. They had to know the plants that could kill people or help them. And that was the situation with botany and medicine for hundreds of years.
In the sixteenth century people began to write book about plants. Those writers were the "fathers" of modern botany.
a. People have been studying plant life since long ago.
b. The word "botany" comes from a Greek word.
c. Botany has always been a part of medicine.
d. People wrote books about plants in ancient times.
2. Используй суффиксы -able, -an, -er, -ing, -tion, -ly, -y, -th, чтобы образовать новые слова. Впиши их в предложения.
a. The best football s get a lot of money.(PLAY)
b. Many s decorate their homes on special days.(AMERICA)
c. How big is your of mugs? (COLLECT)
d. Jane has been keeping to a diet since March. (HEALTH)
e. Some days ago Jill had a with the manager. (MEET)
f. What a little kitten! (LOVE)
g. Last winter was frosty and long. (FAIR)
h. What is the of Mississippi River? (LONG)
3. Выбери верную форму глагола.
a. The children ... television for two hours.
1) watch 2) have been watching 3) are watching
b. How long ... to play the piano?
1) do you learn 2) has you been learning 3) have you been learning
c. Peter ... just now.
1) phoned 2) has phoned 3) phone
d. He ... food yesterday.
1) buy 2) bought 3) buys
e. I just ... a cake.
1) make 2) have made 3) has made
4. Выбери и обведи соответствующие варианты из данных в скобках.
a. John, have you done everything (yourself/yourselves)?
b. You can find this information in an English-Russian (dictionary/vocabulary).
c. There was a chair (among/between) the two tables.
d. (Fast/Junk) food is the food that quick to prepare.
e. (Everyone/No one) can read this text. It's unreadable.
2. Input - e) inserting information into the computer;
3. Memory - h) stores original data as well as partial results;
4. Control unit - i) causes all parts of the computer to act as a team.
5. Output - d) removing data from the device to the outside world;
6. Arithmetic unit - g) performs addition, subtraction, multiplication, etc;
7. Machine language - f) a code of combinations of electric pulses;
8. Logic gates - b) circuits used in large-scale digital systems;
9. Digital computer - a) processes and stores large amount of data and solves problems of numerical computations;