[单项选择]Which of the following, if true, would most seriously undermine the validity of the model of star formation that is presented in the passage

[单项选择]Which of the following, if true, would most seriously undermine the validity of the method of calculating initial tsunami height that is presented in the passage
A. (A) Bumps and grooves on the sea-floor play a greater role in the shoaling process than was initially thought.
B. (B) Revised analyses of seismic data can in fact resolve energy distribution patterns shorter than the seismic waves themselves.
C. (C) Aftershocks experienced in the area of tsunami generation are found to be influenced by a greater variety of factors than previously expected.
D. (D) On further investigation, the sea-surface displacement is found to vary from that which occurs at the ocean bottom.
E. (E) Much of the way a tsunami behaves is found to be dictated by the size of the protruding land mass it collides with.

[单项选择]Which of the following, if true, would cast most doubt on the conclusions drawn from Head's higher-resolution models

[单项选择]Which of the following, if true, would most dearly have supported the conclusion referred to in lines 9—12
A. Ratings of productivity correlated highly with ratings of both accuracy and attendance.
B. Electronic monitoring greatly increased productivity.
C. Most supervisors based overall ratings of performance on measures of productivity alone.
D. Overall ratings of performance correlated more highly with measures of accuracy than with measures of productivity.

[单项选择]Which of the following, if true, would most weaken the author's proposed solution for increasing African-American employment
A. (A) Domestic work and apparel manufacturing is increasingly lucrative.
B. (B) The educational requirements in the public sector are on the increase.
C. (C) The immigrant section of the population is increasing its educational level.
D. (D) The private sector is shrinking at a faster rate than the public sector.
E. (E) Government employment has become increasingly more competitive.

[单项选择]Which of the following, if true, would most likely weaken the significance of Mignot and Aldrich's research

[单项选择]Which toy would be most appropriate for a 3-year-old
A. A bicycle.
B. A puzzle with large pieces.
C. A pull toy.
D. A computer game.

[单项选择]Which nursing measure would be most effective in helping the client cough and deep breathe after a cholecystectomy

[单项选择]Which of the following would be most analogous to the process of dampening oscillations described in the paragraph
A. (A) During a rainstorm, water rises to the level of a sewer drain, siphoning off and thus remaining at constant level.
B. (B) A rubber ball which bounces off the ground multiple times, than gradually comes to rest.
C. (C) A meteor hurtles through space indefinitely, due to the laws of inertia.
D. (D) A clothing iron is left on, then becomes so hot that it catches on fire, burning its own cord and destroying its power source.
E. (E) A baseball pitcher knows he tends to through to the left of home plate, and then in trying to throw to the right, overcorrects.