15. Some people are allergic to pollens, foods, dust, or microorganisms, however others do not have any allergic reactions to these substances.
(A) are allergic to
(B)however
(C)others
(D) to these substances

11. In about 19% of left-handed people, the areas responsible for language are in the right bemisphere and as much as 68% of them have some language abilities in both the left and the right hemispheres. (A) In (B)responsible for(C) much(D) both

12. Classification is a systematic method for organization objects, ideas, or information into groups of which the members have one or more characteristics in common. (A) organization (B)information(C)of which(D)in common

13. The cathedral presented the number of challenging issues when developing the lighting design, some of them architectural in nature, others to do with how the building was to be used, and yet more focused on conservation, technology and cost. (A)the number of(B) them(C) to do (D) focused

14. Compared Twitter and traditional media, we find that although Twitter users show relatively low interests in world news, they actively help spread news of important world events. (A)Compared (B)although(C) relatively(D)spread

16. At the thigh bones meets the large bone of the lower leg there is the joint, called the knee, which moves like a hinge. (A)At(B) there(C) called(D)which

17. It can be inferred from the passage that from a historical perspective, the European conquest of the Americas can be viewed as______ (A) most different form earlier failed conquests (B) most similar to earlier successful conquests (C) unlike any earlier conquests in history successful or not (D) nothing related to earlier successful conquests

18. According to the passage, European conquerors had which of the following advantages in North America? (A) They possessed a larger population to replace casualties in their conquest of North America than they did in the South. (B) They had already gained experience in the Southern conquest that was not formerly available. (C) They had better martial organization in North America than they had in South America. (D) They were confronted by an opponent experienced in empire-building in North America.

19. It can be inferred form the passage that the author views the European conquest of America as which of the following? (A) Unfortunate on the whole, but surprising in historical terms. (B) Too ethically complex to be easily judged. (C) Unexpected, given the history of similar conquests in Europe. (D) Tragic but inevitable, given historical circumstances.

20. Which of the following statements best describes the organization of the first paragraph? (A) A historical theory is sketched and a problem with the theory is cited. (B) A paradox about the origins of a historical phenomenon is pointed out and the author's explanation of the paradox is expounded. (C) A statement about a historical phenomenon is offered and a possible misinterpretation of that statement is addressed. (D) A new explanation for a historical phenomenon is given and evidence for that explanation is provided.

21. It can be inferred from the passage that Van West notes the severe droughts which affected the Anasazi prior to the Great Drought primarily in order to ______.(A) establish that enough food could have been grown to support the Anasazi's survival (B) affirm the notion that the Great Drought may have been exponentially more severe than prior droughts (C) suggest that the repetition of droughts was taking a cumulative toll on the fertility of the Plateau (D) argue that the Anasazi's past behavior would indicate their likely future behavior in the case of a Great Drought