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【简答题】
The organizations must clearly ( ) that in order to cut the use of fossil fuels in every ( ) , all consumers must be willing to make sacrifices.
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举一反三
【简答题】The planners recommended building the new solar-powered community ( ) right in the ( ) of town.
【单选题】The three different energy investments the group is discussing are ____.
A.
algae, solar energy, and biodiesel
B.
algae, solar energy, and fossil fuels
C.
water power, solar energy, and biodiesel
【单选题】According to Brad, McDonald's would have all the fuel they needed in their kitchens because McDonald's ____.
A.
cooks with vegetable oil
B.
has a fleet of diesel vehicles
C.
uses fossil fuels in their cooking
【单选题】A problem with using biodiesel to fuel cars is that the vegetable oil ____.
A.
is difficult to get
B.
needs to be processed
C.
releases large amounts of carbon dioxide
【单选题】All of these are advantages to using algae as an energy source EXCEPT ____.
A.
algae grows very quickly
B.
it returns more carbon dioxide to the air
C.
it only takes a little water to make a lot of algae
【单选题】An advantage to using solar power is that ____.
A.
you have to convert it
B.
it doesn't add gases to the air
C.
it costs around $10,000 for solar panels
【单选题】A reason why solar panels may NOT be a good investment is that ____.
A.
they are not efficient
B.
they produce energy
C.
companies are already making them
【单选题】At the end of the discussion, the students report back to the class about ____.
A.
their choice of an energy source to invest in
B.
how they invest their own money and energy
C.
which three energy sources they discussed