Oliver was unable to _____ himself from the difficulties he had
  caused by forging the documents.
  A) reprove
  B) pique
  C) oust
  D) extricate
  E) broach

  Pharmaceutical companies are unlikely to develop a vaccine for an uncommon disease like leprosy _____
  A) how early diagnosis could help
  B) so that pressure would be put on them
  C) if the choice had been given to them
  D) until the various charities were informed
  E) that can be treated with drugs

  The overall quality of life in today's world cannot be improved _____ .
  A) just as population growth would strain the global urban environment
  B) while the underdeveloped countries were ignored completely by international agencies like the United Nations and the World Bank
  C) as the population of that part of the world rose from 800 million in 1960 to 1.2 billion in 1985
  D) unless the developed countries are prepared to offer a helping hand to the underdeveloped
  E) whenever the OECD declines to support a series of projects for the development of poorer countries

  When we were halfway through the valley, I looked at the others;
  _____ I was very worried, for we still had a long way to walk; and
  there wasn't more than an hour's daylight left.
  A) they all looked as tired as I felt.
  B) they were all sitting in the bus.
  C) it was still early in the morning.
  D) some of us are still eating.
  E) next we organized a game of cards.

  Despite technological improvements which allow exploration to proceed rapidly, it is no simple matter to obtain oil from undersea fields. Prospecting must be followed by the leasing of potential oil-producing areas, and then by drilling to see whether oil is actually there. Offshore drilling platforms must be constructed most efficiently so as to withstand the force of waves. Especially during the season for hurricanes. _____
  A) Therefore, the technical difficulties of far more extensive offshore operations do not discourage specialists in petroleum engineering
  B) Naturally, the search for petroleum has repeatedly led geologists to sedimentary rocks under the seas
  C) It is a fact that by no means all of the land resources of petroleum have been discovered
  D) Actually, off California, Texas and Louisiana, oil companies have drilled into the sediments of the shelf and are obtaining oil
  E) Indeed, winds, storm waves, fogs and the corrosive effects of seawater upon metal structures are the major hazards that must be faced and overcome in offshore oil production

  The governor-elect was hounded by a group of _____ lobbyists
  and others hoping to gain favor with her administration.
  A) facetious
  B) abstruse
  C) magnanimous
  D) fawning
  E) saccharine

  When her schoolwork got to be too much, Pam had a tendency to
  _____ , which always put her further behind.
  A) dedicate
  B) rejuvenate
  C) ponder
  D) excel
  E) procrastinate

  Which Option can be equal revision for the given statement?
  For once I feel inclined to agree with Richard though usually I don't approve of his ideas.
  A) I reckon this is the first time Richard and I agree, for I generally find his views somewhat amoral.
  B) Once in a while I like to agree with Richard as I usually come out in opposition to him.
  C) As often as not Richard and I hold completely different views, so he'll be surprised to find me agreeing with him.
  D) On certain issues Richard and I are in agreement, but on the whole I find his point of view rather disgusting.
  E) More often than not I find Richard's ideas rather repulsive, but on this occasion he just might be right.

  Find irrelevant sentence to "Water"
   A) It is estimated that 15% of worldwide water use is for household purposes.
   B) These include drinking water, bathing, cooking, and sanitation.
   C) Basic household water requirements have been estimated at around 50 liters per person per day, excluding water for gardens.
   D) In some areas of the world irrigation is necessary to grow any crop.
   E) Most household water is treated and returned to surface water systems.

  Which Option can be equal revision for the given statement?
  What worries me is that they have so far failed to improve the quality of the work.
  A) As they haven't yet managed to produce any high-quality work, I'm wondering if they ever will.
  B) If only they could upgrade the quality of the work I'd stop worrying.
  C) Once the quality of the work improves we'll be free of worries.
  D) It's the fact that they still haven't managed to upgrade the quality of the work that troubles me.
  E) They are still far from producing the high-quality work I'm anxious to get.