Nadya F
Искусственный Интеллект
(151529)
1 неделю назад
1. Environmental protection is an ________________________problem.
a) easy; b) important+; c) pleasant;
2. Factories dump a lot of ______________into air and water.
a) a shortage; b) waste+; c) pollution;
3. Plants make the ________________effect.
a) greenhouse+; b) poison; c) ecological;
4. Many rivers and lakes are_____________________.
a) polluted+; b) filled; c) used;
5. Many scientists try _________________ecology problems.
a) to solve+; b) to know; c) to protect;
1. Environmental protection is an ________________________problem.
a) easy; b) important; c) pleasant;
2. Factories dump a lot of ______________into air and water.
a) a shortage; b) waste; c) pollution;
3. Plants make the ________________effect.
a) greenhouse; b) poison; c) ecological;
4. Many rivers and lakes are_____________________.
a) polluted; b) filled; c) used;
5. Many scientists try _________________ecology problems.
a) to solve; b) to know; c) to protect;