[单项选择]After briefly ______ the history of the author, Prof. Li turtles to the novel itself immediately.
A. dipping in
B. dipping at
C. dipping into
D. dipping to

[单项选择]The passage suggests that the author would most probably agree with which of the following assessments of optical computing in its present form
A. (A) Although the future of optical computing is impressive, its applications are too limited in scope to justify much optimism.
B. (B) The outlook of its development is positive on the surface, but many claims made about it are misleading.
C. (C) Efforts to develop the technology have been sufficiently positive to maintain the interest of electrical engineers and physicists.
D. (D) Because of design flaws, the task of developing optical computing will require greater resources than are presently available.
E. (E) The state of development of optical computing is too contradictory to allow for an easy assessment of its future.

[单项选择]According to the author, after human left the stage, a new species would develop ______.

[单项选择]The attitude of the author towards the research project is
A. positive.
B. negative.
C. suspicious.
D. indifferent.

[单项选择]The author mentions world history to prove that modernization______.
A. does not result in homogeneity of local cultures
B. is somewhat related to globalization
C. is one of the long-term historical trends
D. has shaped different traits in industrial countries

[单项选择]The purpose of the author to write this article probably is

[单项选择]The author perceives as weaknesses of the Kyoto Protocol except _________.
A. its short-sighted nature
B. international compliance with its provisions
C. its underlying theory and plans for achieving goals
D. the lack of equity in the terms assigned to developed and developing nations

[单项选择]The author would regard the notion that certain proteins are essential to the survival of environmentally resistant endospores as
A. (A) unlikely
B. (B) speculative
C. (C) incontrovertible
D. (D) irrelevant
E. (E) unscientific

[单项选择]The author used the history of China and Iran in order to ______.
A. criticize these countries
B. explain the effect of massive repression on opium production and assumption
C. warn Afghanistan government
D. prove these countries are not "democratic"

[单项选择]The author's attitude towards after-school programs may be
A. opposed.
B. supportive.
C. indifferent.
D. critical.

[单项选择]Why did the author begin to doubt himself after the first year of his writing career