Protecting the few
How we live our lives affects the environment. The environment is all the things around you. All across earth, humans are ____1____the environment in small and large ways. We cut done trees to build houses. We plow fields to ____2____ crops. We pour waste into rivers, lakes and oceans. We use larger nets and bigger boats to catch ___3___numbers of fish. Activities like these affect plants and animal. They ___4___ affect things like the soil and water.
Sometimes our actions make the number of a ____5___ plant or animal get larger. For example, if you planted roses in your yard, there would be more roses in your area.Our activities can also ____6___ to a smaller number of plants and animals. If a park were turned into an apartment building, what would happen to the plants and animals there? Well, they would ____7____ die or move to other ___8____. There would be fewer plants and animals.Pollution and other activities sometimes cause the number of a species(物种) to become so ___9___ that it cannot survive. A species that is in ____10___ of dying out is called an endangered(濒危的) species.
A.changing
E.huge
I.increase
B.grow
F.places
J.small
C.lead
G.certain
K.survival
D.either
H.also
L.danger
1.A 2.B 3.E 4.H 5.G 6.C 7.D 8.F 9.J 10.L
