Составьте ряды однокоренных слов, заполнив таблицу

прилагательное	наречие	существительное	глагол
high
	deeply
		bredth
			to widen

high, to widen, deeply, wide, bredth, widely, depth, height, broad, deep, to broaden, to deepen, highly.

Ex.6.

Выберите правильный, на Ваш взгляд, вариант. Переведите предложение.

1. Most minerals consist of elements ______ there are a few which occur as native elements.

a. because

b. since

c. although

d. if

2. ______ a mineral is exposed to high temperature and pressure, it often changes its structure.

a. however

b. although

c. because of

d. if

3. Some minerals are stable under a range of conditions ______ most minerals are not.

a. however

b. consequently

c. since

d. because

4. Many minerals change their form ______ crustal movements.

a. because

b. because of

c. if

d. however

5. Change, not stability is the rule ______ the Earth is constantly changing.

a. consequently

b. however

c. because of

d. because

6. ______ conditions at different places on the Earth commonly change, the minerals change too.

a. although

b. since

c. because of

d. consequently

7. The conditions at specific places on the Earth’s surface commonly change ______ the minerals change too.

a. although

b. since

c. because

d. consequently

1. …

2. …

3. …

4. …

5. …

6. …

7. …

Ex.7.

На основании информации текста дайте развернутые определения следующим веществам:

1) olivine is ______ which ______

______ which ______ is referred to as olivine

2) clay minerals are ______

______ are referred to as clay minerals

3) micas are ______

______ are referred to as micas

Ex.8.