更多"The polar regions are generally cov"的相关试题:
[单项选择]The polar regions are generally covered with ice and snow.
A. areas
B. rocks
C. mountains
D. seas
[单项选择]（）the ground covered with ice, the road has he, me very slippery.
A. At
B. Along
C. On
D. With
[单项选择]The very north and south regions are covered with ice and snow.
A. areas
B. rocks
C. mountains
D. districts
[单项选择]What is the summertime polar cap composed of
A. Dust.
B. Sand.
C. Water ice.
D. Volcanic rocks.
[单项选择]We learn from the passage that after the polar bear gave birth to her babies ______ before the months of night were over.
A. the bear would get out of the snow and get something for the babies to eat
B. the babies would get out of the snow and live on their own
C. the bear would stay in the snow and eat nothing
D. the babies would stay with her and eat nothing
[单项选择]It can be inferred from the passage that the polar bear population of Hudson Bay ________.
A. is one of several polar bear populations
B. is unfriendly toward humans
C. consumes food voraciously (贪婪地) during the whole year
D. is an endangered species
[单项选择]The polar lights, one of the most unusual phenomena in nature, is beautiful to behold.
A. view
B. relate
C. sketch
D. withhold
[单项选择]How is the image of the north polar cap of Mars
A. Vague.
B. Clear.
C. Cannot be seen.
D. Barely visible.
[单项选择]Those regions inhabited mostly by national minorities in the Northwest of the country are retarded in terms of social progress and economic development ______ the coastal provinces.
A. in relevance to
B. in conformity with
C. in relation to
D. in accordance with
[单项选择]Communication satellites generally use solar cells as their source of electric power, although some test satellites have used thermoelectric generators.
A. superior
B. authorized
C. former
D. experimental
[单项选择]The polar region is _______.
A. a good place to land at by airplane
B. a good place to fly over
C. a good place to travel to by land
D. a good place to live at
[单项选择]Noise pollution generally receives less attention than ______ air pollution.
A. does
B. it does
C. receives
D. it does over
[单项选择]The polar explorers took every precaution to ________the dangers of their trip.
A. optimize
B. standardize
C. energize
D. minimize
