更多"If too many of these rare animals a"的相关试题:
[单项选择]Many rare species of plants and animals are threatened with______ with the worsening of environment and mass hunting.
A. extinction
B. migration
C. destruction
D. extraction
[单项选择]Many women prefer to use cosmetics to enhance their beauty and make them look younger.
A. enforce
B. magnify
C. improve
D. polish
[单项选择]Many elephants were known to have perished of their wounds when there were no nature reserves.
A. died
B. treated
C. survived
D. neglected
[单项选择]Many people nowadays save money to ______ for their old age.
A. cater
B. supply
C. provide
D. equip
[单项选择]Many years had ______ before they returned to their original urban areas.
A. floated
B. elapsed
C. skipped
D. proceeded
[单项选择]
Most boys, and many girls too, have at some time or other started a stamp collection. Stamp-collecting, or, to call it (21) its correct name, philately, (22) an increasing popular hobby from as (23) as 1854 -- for less than two decades (十年) after postage stamps (24) . Today the hobby numbers (25) are not only boys and girls, but also men and women from all ranks (阶层) in society. So rapidly (26) the interest in stamp-collecting increase in the United States of America (27) in 1921 the United States Post Office found itself (28) set up a special department to (29) the needs of collectors. At present the yearly (30) of this department total over three hundred thousand dollars.
25()
A. is
B. has been
C. was
D. had been