更多"Yom Kippur, which generally falls i"的相关试题:
[单项选择]For which of the following reasons are late seventeenth and early eighteenth century Chinese records important according to the passage
A. They suggest that the data on which the Maunder minimum was predicated were incorrect.
B. They suggest that the Maunder minimum can not be related to climate.
C. They suggest that the Maunder minimum might be valid only for Europe.
D. They establish the existence of a span of unusually cold weather worldwide at the time of the Maunder minimum.
[单项选择]He came back late, ______ which time all the guests had already left.
A. by
B. during
C. at
D. after
[单项选择]You are always late. You （ ） late three times this week.
A. are being
B. were
C. had been
D. have been
[单项选择]He was late this morning. He （）very late.
A. should have got up
B. would have got up
C. must have got up
D. could have got up
[单项选择]You're always late. You （ ） late three times this week.
A. are being
B. were
C. had been
D. have been
[单项选择]You're always late. You （） late three times this week.
A. are being
B. were
C. had been
D. have been
[单项选择]Niagara Falls embodied national qualities in that ______.
[单项选择]You' re always late. you ______ late three times this week.
A. are being
B. were
C. had been
D. have been
[单项选择]
What makes it rain Rain falls from clouds for the same reason anything falls to Earth. The Earth’s gravity pulls it. But every cloud is made of water droplets or ice crystals. Why doesn’t rain or snow fall constantly from all clouds The droplets or ice crystals in clouds are exceedingly small. The effect of gravity on them is minute. Air currents move and lift droplets so that the net downward displacement is zero, even though the droplets are in constant motion.
Droplets and ice crystals behave somewhat like dust in the air made visible in a shaft of sunlight. To the casual observer, dust seems to act in a totally random fashion, moving about chaotically without fixed direction. But in fact dust particles are much larger than water droplets and they finally fall. The average size of a cloud droplet is only 0. 0004 inch in diameter. It is so small that it would take sixteen hours to fall half a mile in perfectly still air, and it does not fall out of mo
A. The mechanics of rain.
B. The weather patterns of North America.
C. How earth's gravity affects agriculture.
D. Types of clouds.
