[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 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 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 describes the BEST use of historical records from previous projects ？（）
A. Estimating, life cycle costing and project planning
B. Risk management, estimating and creating lessons learned
C. Project management planning, estimating and creating a status report
D. Estimating, risk management and project planning

[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 can be the best title for this passage

[单项选择]Which of the following statements can best describe the telephone in the U. S


A. It’s very inexpensive.
B. It saves a lot of trouble.
C. It’s very convenient.
D. A,B andC.

[单项选择]Which of the following statements would best serve as an introduction to the passage


A. The assumption that the knowledge incorporated in technological developments must be derived from science ignores the many non-scientific decisions made by technologists.
B. Analytical thought is no longer a vital component in the success of technological development.
C. As knowledge of technology has increased, the tendency has been to lose sight of the important role played by scientific thought in making decisions about form, arrangement, and texture.
D. A technologist thinking about a machine, reasoning through the successive steps in a dynamic process, can actually turn the machine over mentally.