更多"We must derive hydrogen from renewa"的相关试题:
[填空题]We must derive hydrogen from renewable sources with a view to a pure hydrogen economy.
[填空题]We must derive hydrogen from ____________ with a view to a pure hydrogen economy.
[填空题]We must derive hydrogen from __________________ with a view to a pure hydrogen, economy.
[单项选择]We derive information mainly from the Internet.（ ）
A. deprive
B. obtain
C. descend
D. trace
[填空题]How many steps must we take when we read a map
We have to take （）.
[填空题]
How many steps must we take when we read a map
We have to take ______.
[填空题]How many steps must we take when we read a map
We have to take ______.
[填空题]What can we get from library
We can get all kinds of______.
[单项选择]We all make promises in our daily interactions with others. On the (67) hand, promises such as "I’ll return your book next week" or "I won’t tell anyone" are not heavily (68) , except maybe in a (69) sense.
On the other hand, some of the promises we make bind us (70) and financially. By saying "I do", newlyweds promise to love and (71) each other no matter what happens for the rest of their lives; (72) anybody makes this promise (73) to break it.
But imagine making a promise when in fact, you know you would (74) from not keeping it. Would you keep it anyway Could we somehow tell in (75) whether you’re going to keep it or break itA. performances B. interactions
C. movements D. actions
