[单项选择]Which of the following statements best describes the relationship between a logical volume and a journaled file system (JFS)?（）
A. Increasing the size of a logical volume also increases the size of the file system
B. Reducing the size of a logical volume requires reducing the size of the file system first
C. Increasing the size of a file system requires increasing the size of the logical volume first
D. Increasing the size of a file system also increases the size of the logical volume when necessary

[单项选择]Which of the following statements best describes the organization of the passage
A. Statement illustrated by an analogy.
B. A hypothesis supported by documentation.
C. A comparison of two contrasting theories.
D. A critical analysis of a common assumption.

[单项选择]Which of the following statements best describes a laser
A. A device for stimulating atoms and molecules to emit light.
B. An atom in a high-energy state.
C. A technique for destroying atoms or molecules.
D. An instrument for measuring light waves.

[单项选择]Which of the following statements best expresses the main idea of the passage
A. Glass is very useful because it has many unusual qualities.
B. Light signals have changed the use of glass in industry.
C. Glass fibers have reduced the cost of telephone communication.
D. The use of glass fibers to carry telephone messages is an interesting new development.

[单项选择]Which of the following statements describes the life efficial women it the U. S.
A. They do not have many choices but to be trapped in the sex industry.
B. They choose prostitution as their occupation of their own accord.
C. They are discriminated against for lack of education.
D. They are isolated from the mainstream black community.

[单项选择]Which of the following statements would best serve as an introduction to the passage
A. (A) It is easy to see why the confusion of skepticism with relativism, or of justification with truth, is rationally so debilitating.
B. (B) The presumption that genuine truth is possible without a measure of justification is a most mischievous error.
C. (C) If scientists would stop lauding scientific rationality in the face of reason, irrationalism would be less popular.
D. (D) Scientific hypotheses are not untrustworthy or unreliable except in the sense of being sometimes false.
E. (E) Faced with their detractors, scientists characteristically retort that science, unlike witchcraft, works.

[单项选择]Which of the following statements is best supported by the last paragraph
A. Men keep their innermost feelings to themselves.
B. Women are more serious than men about marriage.
C. Men often take sudden action to end their marriage.
D. Women depend on others in making decisions.