更多"'Snowball Earth' might have occurre"的相关试题:
[单项选择]"Snowball Earth" might have occurred as a result of ______________.
A. ice reflecting sunlight and heat
B. the growth of polar ice sheets
C. the increase of rainfall
D. the huge loss of carbon dioxide
[单项选择]Earth scientists have come to understand that climate______.
A. is going through a fundamental change
B. has been getting warmer for 10 000 years
C. will eventually change from hot to cold
D. has gone through periodical changes
[单项选择]What might have been discussed before this passage
A. The ocean.
B. The earth.
C. The rainfall.
D. The atmosphere.
[单项选择]The US economy might have suffered a deeper downturn _______.
A. had the government not taken effective economic measures
B. if the terrorist attacks had never taken place
C. with a collapse of software and computer hardware purchases
D. if the construction had not actually expanded
[单项选择]The thief might have left the money untouched for the simple reason （ ） he didn't know it was there.
A. why
B. which
C. that
D. how
[单项选择]What might have been discussed in the preceding paragraphs
A. The ocean.
B. The earth.
C. The rainfall.
D. The atmosphere.
[单项选择]The expression "esthetic qualities" might have something to do with the ______ of the containers.
A. size and shape
B. drainage and light
C. attractiveness and decorative value
D. availability only
[单项选择]your support, we might have succeeded in performing the last.（）
A. If we have
B. If we should have had
C. If we had
D. Had we had
[单项选择]Michael might have come to school in time for Professor Browning's lecture ______.
A. ff he got up earlier
B. unless he had got up earlier
C. but he had gotten up so late
D. but he got up rather late
