[单项选择]Which of the following hypothetical scientific discoveries would best support the cultural relativist view of emotion
A. (A) Biological differences are noted in the parts of the brain governing emotional expressions in various races.
B. (B) Animals are discovered to express fear or excitement in an emotional manner when threatened.
C. (C) Japanese students are found to express certain emotions in a manner identical to Chinese students.
D. (D) African tribesmen are unable to identify the emotional facial expressions on actors in a film with Western characters.
E. (E) The rules governing the expression of emotion can be expressed and translated from one language to another.

[单项选择]Which of the following hypothetical scientific discoveries, if made, would weaken the author's arguments concerning the ethical risks of human cloning
A. (A) Through careful and documented study, cloning proves to be less risky than consanguineous breeding.
B. (B) A laboratory process for reducing the number of stages in the cell division process is developed.
C. (C) A non-cloning method for curing human fertility is discovered, thereby reducing the need to rely upon cloning.
D. (D) A procedure for easing the acclimation of a foreign nucleus in the embryonic host is established.
E. (E) A means of assessing genetic mistakes in a foreign nucleus before its implementation into a clone is devised.

[单项选择]Which of the following hypothetical discoveries, if made, would cast MOST doubt on the most recent conclusions regarding the function of the human appendix
A. (A) After laboratory experiments, scientists discover evidence to reject the notion hat the human appendix is a "vestigial" organ.
B. (B) Certain animal species which had not previously been given attention are to possess an appendix resembling that of humans.
C. (C) Lymphoid tissue is discovered, after careful study, not to play a role in the recognition of foreign antigens in ingested material.
D. (D) After re-examination of the evidence, ulcerative colitis is discovered to be caused by factors wholly unrelated to the human appendix.
E. (E) It is discovered that in rabbits, hindgut fermentation does not require the presence of an organ acting as reservoir for bacteria.

[单项选择]Which of the following does the passage mainly discuss
A. Missiles carried by submerged submarines.
B. Messages sent by submerged submarines.
C. Blue-green lasers used by submerged submarines.
D. The way to send a message to submerged submarines.

[单项选择]Which of the following is the type of scientific explanation most likely used by a molecular biologist
A. Argumentation.
B. Deduction.
C. Reduction.
D. Generalization.