Vocabulary

To assume that abundant source of renewable energy will address this challenge is to ignore the vital non-fuel uses of petrochemicals.

When Yossarian asked the doctor to ground him, the doctor replied: You're wasting your time. You're not crazy.

As a fuel, gasoline is unrivalled(无与伦比的) in its portability. Electricity requires bulky batteries and hydrogen is notoriously（众所周知的 恶名昭彰的） difficult to store. 

Violent actions were seldom shown in gruesome detail, but were inferred from the situation.

Prisoners were to be addressed by their assigned numbers and never by name. To prevent eye contact with the prisoners, guards wore mirrored sunglasses.

The tendency is to let it happen and go with the flow, despite warnings from some that all is not well.

To be sane means to be...in a healthy state of mind.

If something decomposes, it...decays and falls apart.

A futurist is someone who...studies trends and makes predictions.

If you reinvent yourself, you.. take up a new way of life.

If an event is underway, it...has already begun.

Pursuing an interest means about the same as...chasing after it.