更多"A recipe for soda requires ω liters"的相关试题:
[单项选择]A recipe for soda requires ω liters of water for every liter of syrup. If soda is made according to this recipe using rn liters of syrup, and sold for j dollars a litter, what will be the gross profit if syrup costs k dollars a liter and water costs nothing ？（）
A. m（ω+k）
B. m（jω-k）
C. （j-k）m
D. jm（1+ω）-km
[单项选择]If a small soda can contains 300 ml of soda, how many liters of soda are in 25 cans
A. 0.75
B. 7.5
C. 75
D. 750
E. 7,500
[单项选择]The fuel tanks had a capacity of 140 liters.
A. function
B. ability
C. power
D. volume
[简答题] Water Problems
Where’’s the water
Water. If you’’ve got it, you probably take it for granted. But a quick look at the globe — and a chat with the tiny group of researchers who are worrying about fresh water — both indicate that water shortages are very serious.
And they aren’’t necessarily in the future, either. Here’’s what we’’ve read in the past week or so.
... Mexico City (home to 20 million people) is sinking because the city sucks out underground water faster than the aquifer can be refilled.
... Florida wants to refill its overpumped aquifer (蓄水层) with untreated surface water, despite federal regulations to the contrary.
... Texas is moving toward private, for-profit water sales. The water will be "mined" from aquifers that are disappearing fast. No word on what the private suppliers, including corporate raider T. Boone Pickens, will do once the aquifers run dry.
... Aquifers around the world are being overtapped for i
[多项选择]Water Problems
Where’’s the water
Water. If you’’ve got it, you probably take it for granted. But a quick look at the globe — and a chat with the tiny group of researchers who are worrying about fresh water — both indicate that water shortages are very serious.
And they aren’’t necessarily in the future, either. Here’’s what we’’ve read in the past week or so.
... Mexico City (home to 20 million people) is sinking because the city sucks out underground water faster than the aquifer can be refilled.
... Florida wants to refill its overpumped aquifer (蓄水层) with untreated surface water, despite federal regulations to the contrary.
... Texas is moving toward private, for-profit water sales. The water will be "mined" from aquifers that are disappearing fast. No word on what the private suppliers, including corporate raider T. Boone Pickens, will do once the aquifers run dry.
... Aquifers around the world are being overtapped for irrigated agriculture, which f
