[填空题]The Hy-Wire, a hydrogen fueled car produced by GM, is controlled through______.

[填空题]The Hy-Wire, a hydrogen fueled car produced by GM, is controlled through______.

[单项选择]

Tom: I went to a car exhibition. The hydrogen car impressed me most.
Mud: Hydrogen car You mean the car will burn hydrogen
Tom: （）.

A. Yes, you got it
B. Yes, you made it
C. Come and get it
D. Forget it

[单项选择]Illinois has produced writers such as Car1 Sandburg, gangsters such as A1 Capone, and architects such as Louis Sullivan.
A. violent criminals
B. politicians
C. musicians
D. industrialists

[单项选择]The obesity epidemic is being fueled still further by a growing trend among kids to eat out and bring takeout food home, University of North Carolina researchers say. Such foods are high in sugar and calories, and their increasing popularity means youngsters are getting more calories than they need, the researchers noted.
Since 1994, this trend has been growing rapidly and reflects the availability of fast food restaurants and foods prepared in supermarkets and other food stores, the researchers say. In fact, calories eaten away from home increased from 23.4% to 33.9% between 1977 and 2006.
"We found that kids eat a relatively maintained level of calories at home, but in addition kids also eat an increasing number of calories outside the home," says study author Jennifer Poti, from the university’s Gillings School of Global Public Health. "Eating outside the home is actually fueling the increased energy intake for kids." Poti says much of the foods children eat outside
A. A．1) means______. malnutritionB. overweightC. high-calorieD. diet

[填空题]To separate hydrogen from oxygen needs electricity that can be created by______.

[填空题]Possible sources for the hydrogen are both electrolysis of water and______.

[填空题]We must derive hydrogen from renewable sources with a view to a pure hydrogen economy.

[填空题]The bacteria depend on worms for hydrogen sulfide in the symbiotic relationship.

[填空题]The development of the hydrogen station network would be greatly affected by the process of ____________ of storage technology.