Section III Ex. 1. Think of the situations when the following expressions may be
used:
to my mind; I don’t think so; I agree with you; it’s (quite) right; it’s not
right; sorry, you arc wrong
Ex. 2. Express your agreement or disagreement with the following
statements. Use expressions from exercise 1.
1. Mendeleyev was the only scientist who tried to arrange the elements.
2. A lot of new elements were predicted with the help of the periodic
table. 3. To commemorate Mendeleyev, the Soviet researchers named many
newly discovered things after him. 4. The periodic system didn’t change
with time. 5. Mendeleyev was interested only in chcmistry.
6
. Mendeleyev’s
family was small. 7. Mendeleyev got his education in St. Petersburg.
Ex. 3. Make up sentences or short stories with the following words and
expressions:
1
)
be bom, children, year, father, mother;
2
) head, hold the post, bureau;
3) periodic system, serve, contribution, study; 4) the element, bear the
name; 5) devote, teaching, development, economy, progress
Ex. 4. Give detailed answers to the following questions:
1.
How did D. I. Mendeleyev devise his periodic table? 2. What is the
importance of the periodic system of the elements? 3. Why do people call
Mendeleyev "the greatest chcmist of the world”? 4 Whai Лгтггк of
Mendeleyev have come true nowadays?