25. Hospitals are competing for a decreasing market share; ______, they are attempting to discover the most cost-effective and highest quality care.
(A) however
(B) on the whole
(C) in other words
(D) for example
(E) consequently

21. Developing a strategy that your company or military cannot execute, ______ wonderful, is simply bad strategy. (A) regardless (B) no matter (C) no matter how (D) regardless of (E) no matter whether

22. Jony Ive, ______ with designing many of Apple's most successful products, has been promoted to be chief design officer. (A) credits (B) crediting (C) is crediting (D) credited (E) has credited

23. ______ a global nuclear war, life on earth as we know it would end forever. (A) There should be (B) If there will be (C) If there had been (D) Should there be (E) Had there been

24. ______ the catastrophic flooding of New Orleans was caused not merely by a powerful storm but primarily by fatal engineering flaws in the city’s flood protection system has been proved by experts. (A) This (B) That (C) While (D) However (E) Which

26. “If not us, who is going to take care of the ______ Christians in Iraq, being one of the longest Christian communities ever in existence?” Jeb Bush said during a speech in Oklahoma City. (A) persecuting (B) persecuted (C) being persecuted (D) having persecuted (E) persecution

27. Scientific discoveries often happen unintentionally. In the early 20th century, Alexander Fleming noticed that the mold growing on one of the culture plates in his lab was killing all of the bacteria, ______ him to discover antibiotics. (A) had lead (B) was leading (C) lead (D) leading (E) have lead

28. Joey Alexander, whose parents are Christians, ______ his unique talent as being “a gift from God.” (A) distributes (B) attributing (C) commits (D) committing (E) attributes

29. When a patient is near death, a doctor should not be obliged to embark upon or continue heroic treatment ______ has no prospect of benefiting the patient. (A) in which (B) from which (C) which (D) whom (E) for whom

30. Sting, a supporter for humanitarian and environmental causes, established the Rainforest Foundation, an organization, ______. (A) whose goal is to help save the world’s rainforests (B) who goal is to help save the world’s rainforests (C) that goal is to help save the world’s rainforests (D) which goal is help save the world’s rainforests (E) whatever goal is to help save the world’s rainforests

31. Ethnocentrism is the view that one’s own culture is better than all others. People will always find some aspect of another culture distasteful, ______ sexual practices, a way of treating friends or relatives, or simply a food that they cannot manage to get down with a smile. (A) be it (B) owing to (C) whereas (D) yet (E) unless