更多"The polar region is _______."的相关试题:
[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]The polar regions are generally covered with ice and snow.
A. areas
B. rocks
C. mountains
D. seas
[单项选择]Polar explorers have to be extremely （） to endure the abominable climate and other hardships.
A. rough
B. hard
C. tough
D. cautious
[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]Polar explorers have to be extremely （）to endure the abominable climate and other hardships.
A. rough
B. hard
C. tough
D. cautious
[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 visibl
[单项选择]The polar explorers took every precaution to ________the dangers of their trip.
A. optimize
B. standardize
C. energize
D. minimize
[单项选择]The polar explores took every precaution to ______ the dangers of their trip.
A. optimize
B. standardize
C. energize
D. minimize
[单项选择]The polar bear got nearer to the seal by ______.
A. sliding over the ice sheet
B. tiptoeing on the ice sheet
C. swimming under the ice sheet
D. crawling from behind the seal
[单项选择]Educational institutions in a region include universities and colleges as well as ______
A. high-tech companies
B. firms, government and organizations
C. museums, libraries, and civic centers
D. science parks and learning parks
[单项选择]Some people want greater freedom within the region______by many other ethnic groups.
A. enjoyed
B. enjoying
C. as enjoyed
D. to be enjoyed
