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【简答题】

I'm not sure I have the energy to ( ) a skateboard up a short incline. How about adding a motor!

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【简答题】Were you able to ( ) the proposal for the new wireless displays to your boss before the deadline?

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【简答题】Putting solar panels on traffic lights is a great idea and will result in ( ) decreases in the city's electricity use in the next few years.

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【简答题】There are a lot of steps to complete before we can fully ( ) a plan to switch from regular classes to e-learning.

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【简答题】If you ( ) try harder to think outside the box, ually you might come up with a new solution for an old problem.

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【简答题】Did you know that you can hold up your smart phone to a printed ( ) to download new applications?

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【简答题】For a while, the latest ( ) was green, and now it's sustainability.

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【简答题】One online company is giving a $2,500 ( ) to anyone who can find new ways to use old tires.

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【简答题】That article is full of ( ) new inventions, like the solar-powered necktie fan that is supposed to keep businessmen cool on hot days.

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【简答题】Our group loves the idea of co-housing, developing a shared community on farmland, but the costs of building the basic ( ) are too much for us.

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【单选题】The gasification process uses ____ to reach high temperatures.

A.

garbage

B.

plasma

C.

syngas

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