Free Parks are cutting back on staff because ______.
A. they are not charging for tickets
B. only a few staff members are needed for park operations
C. the park operators are short of cash and they have to operate in an economical way
D. Both A and
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The author lists the following as adaptation of large desert animals except ______.
A. changing body temperature
B. drinking water quickly
C. not losing appetite even when very thirsty
D. being active at night
The pioneers ahead of the main body of troops throw some lightweight, dark colored objests
A. cross completely snow-covered landscape
B. prevent themselves from suffering snow-blindness
C. let the men behind them see something
D. warm themselves in the cold
Which of the following is NOT the way how free parks make money to support themselves according to the text？
A. Parks run businesses on their own.
B. Parks rent out areas to companies to do outdoor promotions.
C. Parks cut back on staff.
D. Parks run convenient stores and cafeterias.
The word "maintaining" in line 3 of the first paragraph is closest in meaning to ______.
A. reducing
B. preserving
C. avoiding
D. measuring
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