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
【正确答案】：1.A 2.B 3.E 4.H 5.G 6.C 7.D 8.F 9.J 10.L
【题目解析】：1.如果判断空格前后的成分是主系表的话，意思不合理，所以空格处只能填个动词跟前面的a构成谓语部分，根据上下文判断，选择A，构成现在进行时，人类正在改变环境。
2.空格跟前面的to构成动词不定式，做前面的目的状语，选动词原形，从BCI中选，答案是B
3.形容词修饰名词numbers，从EGJ中选，答案是E,形容数量巨大-
4.空格前后是代词和动词，说明主谓完整，中间只能填副词，答案是H
5.形容词修饰名词plant，从GJ中选，答案是G-
6.情态动词can后加动词原形，从CI中选，答案C，lead to 导致，引起
7.either…or…固定搭配，或者…或者，答案是D
8.other修饰名词复数，答案是F
9.so修饰形容词，答案只剩下J一个形容词，答案是J
10.介词后加名词或动名词，从KL中选，根据后面的dying， L更合适，答案是L
