1970 was World Conservation(保护) Year. The United Nation wanted everyone to
know that the world is in 42 . They hope that government
would act quickly to conserve nature. Here is one example of the problem. At
one time there were 1, 300 different plants, trees and flowers in Holland but
now only 866 remains. The others 43 by modern man and his technology(技术). We 44 the world, the air, water and everything 45 grows and lives. We can’t live 46 these things. If things go like this, we
shall destroy ourselves.
What 47 in the future? Perhaps it is more
important to ask: “What must we do now?” The people who will be living in the
world of tomorrow are young of today. A lot of them know conservation is 48 . Many are helping to save our
world. They plant trees, build bridges 49 rivers in forests, and so on. In a small
town in the United States, a large number of girls cleaned the banks of 11
kilometers of their river. Young people may hear about conservation through a
record called “No one’s going to change our world.” It 50 by the Beatles, Cliff Richard and other
singers. The money 51 it will help to conserve animals.
42. A.
troubled B.
dangerous
C. safety
D. danger
43. A.
were killed B.
have destroyed
C. have been destroyed
D. have been changed
44. A.
are changing B. are
becoming C. are
populating
D. are building
45. A.
what
B. that
C. it
D. who
46. A.
with
B. without
C. if there are
D. when we have
47. A.
will happen B. will
see
C. will do
D. to do
48. A.
good
B. important C.
necessary
D. bad
49. A.
on
B. above
C. to
D. across
50.
A. was made B. is made
C. was destroyed
D. was seen
51. A.
for
B. from
C. about
D. with