70. A. automatic B. familiar C. responsible D.
environment
IX. Read the following passage and mark the letter A, B, C, or D to indicate the correct
word for each of the blanks.
Nearly 200 of the 1500 native plant species in Hawaii are at risk of going extinct in
the near future because they have been (71) _______ to such low numbers.
Approximately 90 percent of Hawaii's plants are found nowhere else in the world but
they are (72) _______ by alien invasive species such as feral goats, pigs, rodents and
(73) _______ plants.
The Hawaii Rare Plant Restoration Group is striving to (74) _______ the extinction
of the 182 rare Hawaiian plants with fewer than 50 individuals remaining in the (75)
_______ . Since 1990, (76) _______ a result of their "Plant Extinction Prevention
Program", sixteen species have been brought into (77) _______ and three species have
been reintroduced. Invasive weeds have been removed in key areas and fencing put up
in order to (78) _______ plants in the wild.
In the future the Hawaii Rare Plant Restoration Program aims (79) _______
collecting genetic material from the remaining plants in the wild for storage as a
safety net for the future. They also aim to manage wild populations and where
possible reintroduce species into (80) _______ .
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