choose the word or phrase(a,b,c or d ) that best fits the blank soace in the following passage
the human race is only one small species in the living world. many other soecies (1)........................ on this planet. however, human beings have a great influence on the (2) .............. od the world. they are changing the environment by building cities and villaghes (3).................... forests once stood. they are changing weather.............(4) by citting down trees in the forests. and they are destroying the air by adding(5) to it.
it can be said that human beings are changing the environment in all(6)............in two serious consequences. the first is that many kinds of rare animals are killed. the second is that the environment where these animals are living is (7)..............destroyed. as a result, the number of rare animals is(8)................ so rapidly that they are in danger of(9)................
1. a. surbive b. exist c. remain d. occur
2. a. part b. piece c. rest d. way
3. a. where b. which c .whose d. when
4. a patterns b. system c. forecasts d. conditions
5. a. pollution b. pollutants c. polluters d. polluting
6. a. regards b. points c. respects d. faces
8. a.completely b. virtually c. exactly d. badly.
9. a. rising b. decreasing c. increasing d. changing
10. a. destruction b. disappearance c. extinction d. collapsing